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ocfs2/xattr: Reserve meta/data at the beginning of ocfs2_xattr_set.
In ocfs2 xattr set, we reserve metadata and clusters in any place they are needed. It is time-consuming and ineffective, so this patch try to reserve metadata and clusters at the beginning of ocfs2_xattr_set. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
Tao Ma
Mark Fasheh
parent
c73f60f900
commit
78f30c314a
2 changed files with 361 additions and 126 deletions
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@ -176,6 +176,10 @@ static inline void ocfs2_init_dealloc_ctxt(struct ocfs2_cached_dealloc_ctxt *c)
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}
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int ocfs2_cache_cluster_dealloc(struct ocfs2_cached_dealloc_ctxt *ctxt,
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u64 blkno, unsigned int bit);
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static inline int ocfs2_dealloc_has_cluster(struct ocfs2_cached_dealloc_ctxt *c)
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{
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return c->c_global_allocator != NULL;
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}
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int ocfs2_run_deallocs(struct ocfs2_super *osb,
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struct ocfs2_cached_dealloc_ctxt *ctxt);
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483
fs/ocfs2/xattr.c
483
fs/ocfs2/xattr.c
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@ -71,6 +71,12 @@ struct ocfs2_xattr_bucket {
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int bu_blocks;
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};
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struct ocfs2_xattr_set_ctxt {
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struct ocfs2_alloc_context *meta_ac;
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struct ocfs2_alloc_context *data_ac;
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struct ocfs2_cached_dealloc_ctxt dealloc;
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};
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#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root))
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#define OCFS2_XATTR_INLINE_SIZE 80
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@ -133,11 +139,13 @@ static int ocfs2_xattr_tree_list_index_block(struct inode *inode,
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size_t buffer_size);
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static int ocfs2_xattr_create_index_block(struct inode *inode,
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struct ocfs2_xattr_search *xs);
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt);
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static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
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struct ocfs2_xattr_info *xi,
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struct ocfs2_xattr_search *xs);
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt);
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static int ocfs2_delete_xattr_index_block(struct inode *inode,
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struct buffer_head *xb_bh);
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@ -334,14 +342,13 @@ static void ocfs2_xattr_hash_entry(struct inode *inode,
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static int ocfs2_xattr_extend_allocation(struct inode *inode,
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u32 clusters_to_add,
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struct buffer_head *xattr_bh,
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struct ocfs2_xattr_value_root *xv)
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struct ocfs2_xattr_value_root *xv,
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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int status = 0;
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int restart_func = 0;
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int credits = 0;
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handle_t *handle = NULL;
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struct ocfs2_alloc_context *data_ac = NULL;
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struct ocfs2_alloc_context *meta_ac = NULL;
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enum ocfs2_alloc_restarted why;
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struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
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u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters);
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@ -353,13 +360,6 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode,
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restart_all:
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status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
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&data_ac, &meta_ac);
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if (status) {
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mlog_errno(status);
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goto leave;
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}
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credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
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clusters_to_add);
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handle = ocfs2_start_trans(osb, credits);
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@ -386,8 +386,8 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode,
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0,
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&et,
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handle,
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data_ac,
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meta_ac,
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ctxt->data_ac,
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ctxt->meta_ac,
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&why);
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if ((status < 0) && (status != -EAGAIN)) {
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if (status != -ENOSPC)
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@ -432,14 +432,6 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode,
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ocfs2_commit_trans(osb, handle);
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handle = NULL;
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}
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if (data_ac) {
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ocfs2_free_alloc_context(data_ac);
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data_ac = NULL;
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}
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if (meta_ac) {
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ocfs2_free_alloc_context(meta_ac);
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meta_ac = NULL;
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}
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if ((!status) && restart_func) {
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restart_func = 0;
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goto restart_all;
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@ -452,23 +444,16 @@ static int __ocfs2_remove_xattr_range(struct inode *inode,
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struct buffer_head *root_bh,
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struct ocfs2_xattr_value_root *xv,
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u32 cpos, u32 phys_cpos, u32 len,
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struct ocfs2_cached_dealloc_ctxt *dealloc)
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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int ret;
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u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
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struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
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handle_t *handle;
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struct ocfs2_alloc_context *meta_ac = NULL;
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struct ocfs2_extent_tree et;
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ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv);
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ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac);
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if (ret) {
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mlog_errno(ret);
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return ret;
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}
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handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
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if (IS_ERR(handle)) {
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ret = PTR_ERR(handle);
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@ -483,8 +468,8 @@ static int __ocfs2_remove_xattr_range(struct inode *inode,
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goto out_commit;
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}
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ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac,
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dealloc);
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ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac,
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&ctxt->dealloc);
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if (ret) {
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mlog_errno(ret);
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goto out_commit;
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@ -498,17 +483,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode,
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goto out_commit;
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}
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ret = ocfs2_cache_cluster_dealloc(dealloc, phys_blkno, len);
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ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len);
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if (ret)
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mlog_errno(ret);
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out_commit:
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ocfs2_commit_trans(osb, handle);
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out:
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if (meta_ac)
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ocfs2_free_alloc_context(meta_ac);
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return ret;
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}
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@ -516,15 +497,12 @@ static int ocfs2_xattr_shrink_size(struct inode *inode,
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u32 old_clusters,
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u32 new_clusters,
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struct buffer_head *root_bh,
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struct ocfs2_xattr_value_root *xv)
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struct ocfs2_xattr_value_root *xv,
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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int ret = 0;
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u32 trunc_len, cpos, phys_cpos, alloc_size;
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u64 block;
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struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
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struct ocfs2_cached_dealloc_ctxt dealloc;
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ocfs2_init_dealloc_ctxt(&dealloc);
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if (old_clusters <= new_clusters)
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return 0;
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@ -544,7 +522,7 @@ static int ocfs2_xattr_shrink_size(struct inode *inode,
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ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos,
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phys_cpos, alloc_size,
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&dealloc);
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ctxt);
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if (ret) {
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mlog_errno(ret);
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goto out;
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@ -558,16 +536,14 @@ static int ocfs2_xattr_shrink_size(struct inode *inode,
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}
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out:
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ocfs2_schedule_truncate_log_flush(osb, 1);
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ocfs2_run_deallocs(osb, &dealloc);
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return ret;
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}
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static int ocfs2_xattr_value_truncate(struct inode *inode,
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struct buffer_head *root_bh,
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struct ocfs2_xattr_value_root *xv,
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int len)
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int len,
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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int ret;
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u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len);
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@ -579,11 +555,11 @@ static int ocfs2_xattr_value_truncate(struct inode *inode,
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if (new_clusters > old_clusters)
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ret = ocfs2_xattr_extend_allocation(inode,
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new_clusters - old_clusters,
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root_bh, xv);
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root_bh, xv, ctxt);
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else
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ret = ocfs2_xattr_shrink_size(inode,
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old_clusters, new_clusters,
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root_bh, xv);
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root_bh, xv, ctxt);
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return ret;
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}
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@ -1167,6 +1143,7 @@ static int ocfs2_xattr_update_entry(struct inode *inode,
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static int ocfs2_xattr_set_value_outside(struct inode *inode,
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struct ocfs2_xattr_info *xi,
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt,
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size_t offs)
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{
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size_t name_len = strlen(xi->name);
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@ -1186,7 +1163,7 @@ static int ocfs2_xattr_set_value_outside(struct inode *inode,
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xv->xr_list.l_next_free_rec = 0;
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ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv,
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xi->value_len);
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xi->value_len, ctxt);
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if (ret < 0) {
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mlog_errno(ret);
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return ret;
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@ -1317,6 +1294,7 @@ static void ocfs2_xattr_set_entry_local(struct inode *inode,
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static int ocfs2_xattr_set_entry(struct inode *inode,
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struct ocfs2_xattr_info *xi,
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt,
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int flag)
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{
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struct ocfs2_xattr_entry *last;
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@ -1387,7 +1365,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
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if (ocfs2_xattr_is_local(xs->here) && size == size_l) {
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/* Replace existing local xattr with tree root */
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ret = ocfs2_xattr_set_value_outside(inode, xi, xs,
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offs);
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ctxt, offs);
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if (ret < 0)
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mlog_errno(ret);
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goto out;
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@ -1406,7 +1384,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
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ret = ocfs2_xattr_value_truncate(inode,
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xs->xattr_bh,
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xv,
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xi->value_len);
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xi->value_len,
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ctxt);
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if (ret < 0) {
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mlog_errno(ret);
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goto out;
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@ -1436,7 +1415,8 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
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ret = ocfs2_xattr_value_truncate(inode,
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xs->xattr_bh,
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xv,
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0);
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0,
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ctxt);
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if (ret < 0)
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mlog_errno(ret);
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}
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@ -1531,7 +1511,7 @@ static int ocfs2_xattr_set_entry(struct inode *inode,
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* This is the second step for value size > INLINE_SIZE.
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*/
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size_t offs = le16_to_cpu(xs->here->xe_name_offset);
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ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs);
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ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, offs);
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if (ret < 0) {
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int ret2;
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@ -1555,6 +1535,10 @@ static int ocfs2_remove_value_outside(struct inode*inode,
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struct ocfs2_xattr_header *header)
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{
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int ret = 0, i;
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struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
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struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
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ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
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for (i = 0; i < le16_to_cpu(header->xh_count); i++) {
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struct ocfs2_xattr_entry *entry = &header->xh_entries[i];
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@ -1567,14 +1551,17 @@ static int ocfs2_remove_value_outside(struct inode*inode,
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le16_to_cpu(entry->xe_name_offset);
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xv = (struct ocfs2_xattr_value_root *)
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(val + OCFS2_XATTR_SIZE(entry->xe_name_len));
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ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0);
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ret = ocfs2_xattr_value_truncate(inode, bh, xv,
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0, &ctxt);
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if (ret < 0) {
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mlog_errno(ret);
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return ret;
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break;
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}
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}
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}
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ocfs2_schedule_truncate_log_flush(osb, 1);
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ocfs2_run_deallocs(osb, &ctxt.dealloc);
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return ret;
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}
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@ -1836,7 +1823,8 @@ static int ocfs2_xattr_ibody_find(struct inode *inode,
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*/
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static int ocfs2_xattr_ibody_set(struct inode *inode,
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struct ocfs2_xattr_info *xi,
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struct ocfs2_xattr_search *xs)
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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struct ocfs2_inode_info *oi = OCFS2_I(inode);
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struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
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@ -1853,7 +1841,7 @@ static int ocfs2_xattr_ibody_set(struct inode *inode,
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}
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}
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ret = ocfs2_xattr_set_entry(inode, xi, xs,
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ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
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(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL));
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out:
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up_write(&oi->ip_alloc_sem);
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@ -1926,12 +1914,12 @@ static int ocfs2_xattr_block_find(struct inode *inode,
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*/
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static int ocfs2_xattr_block_set(struct inode *inode,
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struct ocfs2_xattr_info *xi,
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struct ocfs2_xattr_search *xs)
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struct ocfs2_xattr_search *xs,
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struct ocfs2_xattr_set_ctxt *ctxt)
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{
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struct buffer_head *new_bh = NULL;
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struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
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struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
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struct ocfs2_alloc_context *meta_ac = NULL;
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handle_t *handle = NULL;
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struct ocfs2_xattr_block *xblk = NULL;
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u16 suballoc_bit_start;
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@ -1940,15 +1928,6 @@ static int ocfs2_xattr_block_set(struct inode *inode,
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int ret;
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if (!xs->xattr_bh) {
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/*
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* Alloc one external block for extended attribute
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* outside of inode.
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*/
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ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
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if (ret < 0) {
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mlog_errno(ret);
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goto out;
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}
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handle = ocfs2_start_trans(osb,
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OCFS2_XATTR_BLOCK_CREATE_CREDITS);
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if (IS_ERR(handle)) {
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|
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@ -1963,7 +1942,7 @@ static int ocfs2_xattr_block_set(struct inode *inode,
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goto out_commit;
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}
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ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
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ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1,
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&suballoc_bit_start, &num_got,
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&first_blkno);
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if (ret < 0) {
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|
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@ -1996,7 +1975,6 @@ static int ocfs2_xattr_block_set(struct inode *inode,
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xs->end = (void *)xblk + inode->i_sb->s_blocksize;
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xs->here = xs->header->xh_entries;
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ret = ocfs2_journal_dirty(handle, new_bh);
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if (ret < 0) {
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mlog_errno(ret);
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|
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@ -2009,8 +1987,6 @@ static int ocfs2_xattr_block_set(struct inode *inode,
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out_commit:
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ocfs2_commit_trans(osb, handle);
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out:
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if (meta_ac)
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ocfs2_free_alloc_context(meta_ac);
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if (ret < 0)
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return ret;
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} else
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|
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@ -2018,22 +1994,266 @@ static int ocfs2_xattr_block_set(struct inode *inode,
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|
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if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) {
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/* Set extended attribute into external block */
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ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL);
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ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
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OCFS2_HAS_XATTR_FL);
|
||||
if (!ret || ret != -ENOSPC)
|
||||
goto end;
|
||||
|
||||
ret = ocfs2_xattr_create_index_block(inode, xs);
|
||||
ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
|
||||
if (ret)
|
||||
goto end;
|
||||
}
|
||||
|
||||
ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs);
|
||||
ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt);
|
||||
|
||||
end:
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Check whether the new xattr can be inserted into the inode. */
|
||||
static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
|
||||
struct ocfs2_xattr_info *xi,
|
||||
struct ocfs2_xattr_search *xs)
|
||||
{
|
||||
u64 value_size;
|
||||
struct ocfs2_xattr_entry *last;
|
||||
int free, i;
|
||||
size_t min_offs = xs->end - xs->base;
|
||||
|
||||
if (!xs->header)
|
||||
return 0;
|
||||
|
||||
last = xs->header->xh_entries;
|
||||
|
||||
for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) {
|
||||
size_t offs = le16_to_cpu(last->xe_name_offset);
|
||||
if (offs < min_offs)
|
||||
min_offs = offs;
|
||||
last += 1;
|
||||
}
|
||||
|
||||
free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
|
||||
if (free < 0)
|
||||
return 0;
|
||||
|
||||
BUG_ON(!xs->not_found);
|
||||
|
||||
if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
|
||||
value_size = OCFS2_XATTR_ROOT_SIZE;
|
||||
else
|
||||
value_size = OCFS2_XATTR_SIZE(xi->value_len);
|
||||
|
||||
if (free >= sizeof(struct ocfs2_xattr_entry) +
|
||||
OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ocfs2_calc_xattr_set_need(struct inode *inode,
|
||||
struct ocfs2_dinode *di,
|
||||
struct ocfs2_xattr_info *xi,
|
||||
struct ocfs2_xattr_search *xis,
|
||||
struct ocfs2_xattr_search *xbs,
|
||||
int *clusters_need,
|
||||
int *meta_need)
|
||||
{
|
||||
int ret = 0, old_in_xb = 0;
|
||||
int clusters_add = 0, meta_add = 0;
|
||||
struct buffer_head *bh = NULL;
|
||||
struct ocfs2_xattr_block *xb = NULL;
|
||||
struct ocfs2_xattr_entry *xe = NULL;
|
||||
struct ocfs2_xattr_value_root *xv = NULL;
|
||||
char *base = NULL;
|
||||
int name_offset, name_len = 0;
|
||||
u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
|
||||
xi->value_len);
|
||||
u64 value_size;
|
||||
|
||||
/*
|
||||
* delete a xattr doesn't need metadata and cluster allocation.
|
||||
* so return.
|
||||
*/
|
||||
if (!xi->value)
|
||||
goto out;
|
||||
|
||||
if (xis->not_found && xbs->not_found) {
|
||||
if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
|
||||
clusters_add += new_clusters;
|
||||
|
||||
goto meta_guess;
|
||||
}
|
||||
|
||||
if (!xis->not_found) {
|
||||
xe = xis->here;
|
||||
name_offset = le16_to_cpu(xe->xe_name_offset);
|
||||
name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
|
||||
base = xis->base;
|
||||
} else {
|
||||
int i, block_off;
|
||||
xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
|
||||
xe = xbs->here;
|
||||
name_offset = le16_to_cpu(xe->xe_name_offset);
|
||||
name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
|
||||
i = xbs->here - xbs->header->xh_entries;
|
||||
old_in_xb = 1;
|
||||
|
||||
if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
|
||||
ret = ocfs2_xattr_bucket_get_name_value(inode,
|
||||
bucket_xh(xbs->bucket),
|
||||
i, &block_off,
|
||||
&name_offset);
|
||||
base = bucket_block(xbs->bucket, block_off);
|
||||
} else
|
||||
base = xbs->base;
|
||||
}
|
||||
|
||||
/* do cluster allocation guess first. */
|
||||
value_size = le64_to_cpu(xe->xe_value_size);
|
||||
|
||||
if (old_in_xb) {
|
||||
/*
|
||||
* In xattr set, we always try to set the xe in inode first,
|
||||
* so if it can be inserted into inode successfully, the old
|
||||
* one will be removed from the xattr block, and this xattr
|
||||
* will be inserted into inode as a new xattr in inode.
|
||||
*/
|
||||
if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) {
|
||||
clusters_add += new_clusters;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
|
||||
/* the new values will be stored outside. */
|
||||
u32 old_clusters = 0;
|
||||
|
||||
if (!ocfs2_xattr_is_local(xe)) {
|
||||
old_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
|
||||
value_size);
|
||||
xv = (struct ocfs2_xattr_value_root *)
|
||||
(base + name_offset + name_len);
|
||||
} else
|
||||
xv = &def_xv.xv;
|
||||
|
||||
if (old_clusters >= new_clusters)
|
||||
goto out;
|
||||
else {
|
||||
meta_add += ocfs2_extend_meta_needed(&xv->xr_list);
|
||||
clusters_add += new_clusters - old_clusters;
|
||||
goto out;
|
||||
}
|
||||
} else {
|
||||
/*
|
||||
* Now the new value will be stored inside. So if the new
|
||||
* value is smaller than the size of value root or the old
|
||||
* value, we don't need any allocation, otherwise we have
|
||||
* to guess metadata allocation.
|
||||
*/
|
||||
if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) ||
|
||||
(!ocfs2_xattr_is_local(xe) &&
|
||||
OCFS2_XATTR_ROOT_SIZE >= xi->value_len))
|
||||
goto out;
|
||||
}
|
||||
|
||||
meta_guess:
|
||||
/* calculate metadata allocation. */
|
||||
if (di->i_xattr_loc) {
|
||||
if (!xbs->xattr_bh) {
|
||||
ret = ocfs2_read_block(inode,
|
||||
le64_to_cpu(di->i_xattr_loc),
|
||||
&bh);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
xb = (struct ocfs2_xattr_block *)bh->b_data;
|
||||
} else
|
||||
xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
|
||||
|
||||
if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
|
||||
struct ocfs2_extent_list *el =
|
||||
&xb->xb_attrs.xb_root.xt_list;
|
||||
meta_add += ocfs2_extend_meta_needed(el);
|
||||
}
|
||||
|
||||
/*
|
||||
* This cluster will be used either for new bucket or for
|
||||
* new xattr block.
|
||||
* If the cluster size is the same as the bucket size, one
|
||||
* more is needed since we may need to extend the bucket
|
||||
* also.
|
||||
*/
|
||||
clusters_add += 1;
|
||||
if (OCFS2_XATTR_BUCKET_SIZE ==
|
||||
OCFS2_SB(inode->i_sb)->s_clustersize)
|
||||
clusters_add += 1;
|
||||
} else
|
||||
meta_add += 1;
|
||||
out:
|
||||
if (clusters_need)
|
||||
*clusters_need = clusters_add;
|
||||
if (meta_need)
|
||||
*meta_need = meta_add;
|
||||
brelse(bh);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ocfs2_init_xattr_set_ctxt(struct inode *inode,
|
||||
struct ocfs2_dinode *di,
|
||||
struct ocfs2_xattr_info *xi,
|
||||
struct ocfs2_xattr_search *xis,
|
||||
struct ocfs2_xattr_search *xbs,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int clusters_add, meta_add, ret;
|
||||
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
|
||||
|
||||
memset(ctxt, 0, sizeof(struct ocfs2_xattr_set_ctxt));
|
||||
|
||||
ocfs2_init_dealloc_ctxt(&ctxt->dealloc);
|
||||
|
||||
ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs,
|
||||
&clusters_add, &meta_add);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d\n",
|
||||
xi->name, meta_add, clusters_add);
|
||||
|
||||
if (meta_add) {
|
||||
ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add,
|
||||
&ctxt->meta_ac);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
if (clusters_add) {
|
||||
ret = ocfs2_reserve_clusters(osb, clusters_add, &ctxt->data_ac);
|
||||
if (ret)
|
||||
mlog_errno(ret);
|
||||
}
|
||||
out:
|
||||
if (ret) {
|
||||
if (ctxt->meta_ac) {
|
||||
ocfs2_free_alloc_context(ctxt->meta_ac);
|
||||
ctxt->meta_ac = NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* We cannot have an error and a non null ctxt->data_ac.
|
||||
*/
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* ocfs2_xattr_set()
|
||||
*
|
||||
|
|
@ -2051,6 +2271,8 @@ int ocfs2_xattr_set(struct inode *inode,
|
|||
struct buffer_head *di_bh = NULL;
|
||||
struct ocfs2_dinode *di;
|
||||
int ret;
|
||||
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
|
||||
struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
|
||||
|
||||
struct ocfs2_xattr_info xi = {
|
||||
.name_index = name_index,
|
||||
|
|
@ -2115,15 +2337,21 @@ int ocfs2_xattr_set(struct inode *inode,
|
|||
goto cleanup;
|
||||
}
|
||||
|
||||
ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis, &xbs, &ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
if (!value) {
|
||||
/* Remove existing extended attribute */
|
||||
if (!xis.not_found)
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt);
|
||||
else if (!xbs.not_found)
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
|
||||
} else {
|
||||
/* We always try to set extended attribute into inode first*/
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi, &xis, &ctxt);
|
||||
if (!ret && !xbs.not_found) {
|
||||
/*
|
||||
* If succeed and that extended attribute existing in
|
||||
|
|
@ -2131,7 +2359,7 @@ int ocfs2_xattr_set(struct inode *inode,
|
|||
*/
|
||||
xi.value = NULL;
|
||||
xi.value_len = 0;
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
|
||||
} else if (ret == -ENOSPC) {
|
||||
if (di->i_xattr_loc && !xbs.xattr_bh) {
|
||||
ret = ocfs2_xattr_block_find(inode, name_index,
|
||||
|
|
@ -2143,9 +2371,9 @@ int ocfs2_xattr_set(struct inode *inode,
|
|||
* If no space in inode, we will set extended attribute
|
||||
* into external block.
|
||||
*/
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
|
||||
ret = ocfs2_xattr_block_set(inode, &xi, &xbs, &ctxt);
|
||||
if (ret)
|
||||
goto cleanup;
|
||||
goto free;
|
||||
if (!xis.not_found) {
|
||||
/*
|
||||
* If succeed and that extended attribute
|
||||
|
|
@ -2153,10 +2381,19 @@ int ocfs2_xattr_set(struct inode *inode,
|
|||
*/
|
||||
xi.value = NULL;
|
||||
xi.value_len = 0;
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
|
||||
ret = ocfs2_xattr_ibody_set(inode, &xi,
|
||||
&xis, &ctxt);
|
||||
}
|
||||
}
|
||||
}
|
||||
free:
|
||||
if (ctxt.data_ac)
|
||||
ocfs2_free_alloc_context(ctxt.data_ac);
|
||||
if (ctxt.meta_ac)
|
||||
ocfs2_free_alloc_context(ctxt.meta_ac);
|
||||
if (ocfs2_dealloc_has_cluster(&ctxt.dealloc))
|
||||
ocfs2_schedule_truncate_log_flush(osb, 1);
|
||||
ocfs2_run_deallocs(osb, &ctxt.dealloc);
|
||||
cleanup:
|
||||
up_write(&OCFS2_I(inode)->ip_xattr_sem);
|
||||
ocfs2_inode_unlock(inode, 1);
|
||||
|
|
@ -2734,7 +2971,8 @@ static void ocfs2_xattr_update_xattr_search(struct inode *inode,
|
|||
}
|
||||
|
||||
static int ocfs2_xattr_create_index_block(struct inode *inode,
|
||||
struct ocfs2_xattr_search *xs)
|
||||
struct ocfs2_xattr_search *xs,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int ret, credits = OCFS2_SUBALLOC_ALLOC;
|
||||
u32 bit_off, len;
|
||||
|
|
@ -2742,7 +2980,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
|
|||
handle_t *handle;
|
||||
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
|
||||
struct ocfs2_inode_info *oi = OCFS2_I(inode);
|
||||
struct ocfs2_alloc_context *data_ac;
|
||||
struct buffer_head *xb_bh = xs->xattr_bh;
|
||||
struct ocfs2_xattr_block *xb =
|
||||
(struct ocfs2_xattr_block *)xb_bh->b_data;
|
||||
|
|
@ -2755,12 +2992,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
|
|||
BUG_ON(xb_flags & OCFS2_XATTR_INDEXED);
|
||||
BUG_ON(!xs->bucket);
|
||||
|
||||
ret = ocfs2_reserve_clusters(osb, 1, &data_ac);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
}
|
||||
|
||||
/*
|
||||
* XXX:
|
||||
* We can use this lock for now, and maybe move to a dedicated mutex
|
||||
|
|
@ -2787,7 +3018,8 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
|
|||
goto out_commit;
|
||||
}
|
||||
|
||||
ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
|
||||
ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
|
||||
1, 1, &bit_off, &len);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out_commit;
|
||||
|
|
@ -2850,10 +3082,6 @@ static int ocfs2_xattr_create_index_block(struct inode *inode,
|
|||
out_sem:
|
||||
up_write(&oi->ip_alloc_sem);
|
||||
|
||||
out:
|
||||
if (data_ac)
|
||||
ocfs2_free_alloc_context(data_ac);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -3614,7 +3842,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
u32 *num_clusters,
|
||||
u32 prev_cpos,
|
||||
u64 prev_blkno,
|
||||
int *extend)
|
||||
int *extend,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int ret, credits;
|
||||
u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
|
||||
|
|
@ -3622,8 +3851,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0;
|
||||
u64 block;
|
||||
handle_t *handle = NULL;
|
||||
struct ocfs2_alloc_context *data_ac = NULL;
|
||||
struct ocfs2_alloc_context *meta_ac = NULL;
|
||||
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
|
||||
struct ocfs2_extent_tree et;
|
||||
|
||||
|
|
@ -3634,13 +3861,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
|
||||
ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh);
|
||||
|
||||
ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
|
||||
&data_ac, &meta_ac);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto leave;
|
||||
}
|
||||
|
||||
credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
|
||||
clusters_to_add);
|
||||
handle = ocfs2_start_trans(osb, credits);
|
||||
|
|
@ -3658,7 +3878,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
goto leave;
|
||||
}
|
||||
|
||||
ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
|
||||
ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1,
|
||||
clusters_to_add, &bit_off, &num_bits);
|
||||
if (ret < 0) {
|
||||
if (ret != -ENOSPC)
|
||||
|
|
@ -3719,7 +3939,7 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
mlog(0, "Insert %u clusters at block %llu for xattr at %u\n",
|
||||
num_bits, (unsigned long long)block, v_start);
|
||||
ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block,
|
||||
num_bits, 0, meta_ac);
|
||||
num_bits, 0, ctxt->meta_ac);
|
||||
if (ret < 0) {
|
||||
mlog_errno(ret);
|
||||
goto leave;
|
||||
|
|
@ -3734,10 +3954,6 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode,
|
|||
leave:
|
||||
if (handle)
|
||||
ocfs2_commit_trans(osb, handle);
|
||||
if (data_ac)
|
||||
ocfs2_free_alloc_context(data_ac);
|
||||
if (meta_ac)
|
||||
ocfs2_free_alloc_context(meta_ac);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -3821,7 +4037,8 @@ static int ocfs2_extend_xattr_bucket(struct inode *inode,
|
|||
*/
|
||||
static int ocfs2_add_new_xattr_bucket(struct inode *inode,
|
||||
struct buffer_head *xb_bh,
|
||||
struct buffer_head *header_bh)
|
||||
struct buffer_head *header_bh,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
struct ocfs2_xattr_header *first_xh = NULL;
|
||||
struct buffer_head *first_bh = NULL;
|
||||
|
|
@ -3872,7 +4089,8 @@ static int ocfs2_add_new_xattr_bucket(struct inode *inode,
|
|||
&num_clusters,
|
||||
e_cpos,
|
||||
p_blkno,
|
||||
&extend);
|
||||
&extend,
|
||||
ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
|
|
@ -4147,7 +4365,8 @@ static int ocfs2_xattr_value_update_size(struct inode *inode,
|
|||
static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
|
||||
struct buffer_head *header_bh,
|
||||
int xe_off,
|
||||
int len)
|
||||
int len,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int ret, offset;
|
||||
u64 value_blk;
|
||||
|
|
@ -4182,7 +4401,7 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
|
|||
|
||||
mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n",
|
||||
xe_off, (unsigned long long)header_bh->b_blocknr, len);
|
||||
ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len);
|
||||
ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
|
|
@ -4200,8 +4419,9 @@ static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
|
|||
}
|
||||
|
||||
static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
|
||||
struct ocfs2_xattr_search *xs,
|
||||
int len)
|
||||
struct ocfs2_xattr_search *xs,
|
||||
int len,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int ret, offset;
|
||||
struct ocfs2_xattr_entry *xe = xs->here;
|
||||
|
|
@ -4211,7 +4431,7 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
|
|||
|
||||
offset = xe - xh->xh_entries;
|
||||
ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0],
|
||||
offset, len);
|
||||
offset, len, ctxt);
|
||||
if (ret)
|
||||
mlog_errno(ret);
|
||||
|
||||
|
|
@ -4375,7 +4595,8 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
|
|||
*/
|
||||
static int ocfs2_xattr_set_in_bucket(struct inode *inode,
|
||||
struct ocfs2_xattr_info *xi,
|
||||
struct ocfs2_xattr_search *xs)
|
||||
struct ocfs2_xattr_search *xs,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
int ret, local = 1;
|
||||
size_t value_len;
|
||||
|
|
@ -4403,7 +4624,8 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode,
|
|||
value_len = 0;
|
||||
|
||||
ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
|
||||
value_len);
|
||||
value_len,
|
||||
ctxt);
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
|
|
@ -4434,7 +4656,7 @@ static int ocfs2_xattr_set_in_bucket(struct inode *inode,
|
|||
|
||||
/* allocate the space now for the outside block storage. */
|
||||
ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
|
||||
value_len);
|
||||
value_len, ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
|
||||
|
|
@ -4485,7 +4707,8 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode,
|
|||
|
||||
static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
|
||||
struct ocfs2_xattr_info *xi,
|
||||
struct ocfs2_xattr_search *xs)
|
||||
struct ocfs2_xattr_search *xs,
|
||||
struct ocfs2_xattr_set_ctxt *ctxt)
|
||||
{
|
||||
struct ocfs2_xattr_header *xh;
|
||||
struct ocfs2_xattr_entry *xe;
|
||||
|
|
@ -4603,7 +4826,8 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
|
|||
|
||||
ret = ocfs2_add_new_xattr_bucket(inode,
|
||||
xs->xattr_bh,
|
||||
xs->bucket->bu_bhs[0]);
|
||||
xs->bucket->bu_bhs[0],
|
||||
ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
goto out;
|
||||
|
|
@ -4622,7 +4846,7 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
|
|||
}
|
||||
|
||||
xattr_set:
|
||||
ret = ocfs2_xattr_set_in_bucket(inode, xi, xs);
|
||||
ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt);
|
||||
out:
|
||||
mlog_exit(ret);
|
||||
return ret;
|
||||
|
|
@ -4636,6 +4860,10 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode,
|
|||
struct ocfs2_xattr_header *xh = bucket_xh(bucket);
|
||||
u16 i;
|
||||
struct ocfs2_xattr_entry *xe;
|
||||
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
|
||||
struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,};
|
||||
|
||||
ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
|
||||
|
||||
for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
|
||||
xe = &xh->xh_entries[i];
|
||||
|
|
@ -4644,13 +4872,16 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode,
|
|||
|
||||
ret = ocfs2_xattr_bucket_value_truncate(inode,
|
||||
bucket->bu_bhs[0],
|
||||
i, 0);
|
||||
i, 0, &ctxt);
|
||||
if (ret) {
|
||||
mlog_errno(ret);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
ocfs2_schedule_truncate_log_flush(osb, 1);
|
||||
ocfs2_run_deallocs(osb, &ctxt.dealloc);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue