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btrfs: make find_desired_extent take btrfs_inode
Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
parent
bfc78479eb
commit
cca5de97ae
1 changed files with 7 additions and 8 deletions
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@ -3495,13 +3495,13 @@ static long btrfs_fallocate(struct file *file, int mode,
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return ret;
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return ret;
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}
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}
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static loff_t find_desired_extent(struct inode *inode, loff_t offset,
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static loff_t find_desired_extent(struct btrfs_inode *inode, loff_t offset,
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int whence)
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int whence)
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{
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{
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struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
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struct btrfs_fs_info *fs_info = inode->root->fs_info;
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struct extent_map *em = NULL;
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struct extent_map *em = NULL;
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struct extent_state *cached_state = NULL;
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struct extent_state *cached_state = NULL;
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loff_t i_size = inode->i_size;
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loff_t i_size = inode->vfs_inode.i_size;
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u64 lockstart;
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u64 lockstart;
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u64 lockend;
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u64 lockend;
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u64 start;
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u64 start;
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@ -3524,11 +3524,10 @@ static loff_t find_desired_extent(struct inode *inode, loff_t offset,
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lockend--;
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lockend--;
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len = lockend - lockstart + 1;
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len = lockend - lockstart + 1;
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lock_extent_bits(&BTRFS_I(inode)->io_tree, lockstart, lockend,
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lock_extent_bits(&inode->io_tree, lockstart, lockend, &cached_state);
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&cached_state);
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while (start < i_size) {
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while (start < i_size) {
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em = btrfs_get_extent_fiemap(BTRFS_I(inode), start, len);
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em = btrfs_get_extent_fiemap(inode, start, len);
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if (IS_ERR(em)) {
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if (IS_ERR(em)) {
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ret = PTR_ERR(em);
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ret = PTR_ERR(em);
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em = NULL;
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em = NULL;
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@ -3550,7 +3549,7 @@ static loff_t find_desired_extent(struct inode *inode, loff_t offset,
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cond_resched();
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cond_resched();
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}
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}
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free_extent_map(em);
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free_extent_map(em);
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unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,
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unlock_extent_cached(&inode->io_tree, lockstart, lockend,
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&cached_state);
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&cached_state);
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if (ret) {
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if (ret) {
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offset = ret;
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offset = ret;
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@ -3574,7 +3573,7 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int whence)
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case SEEK_DATA:
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case SEEK_DATA:
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case SEEK_HOLE:
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case SEEK_HOLE:
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btrfs_inode_lock(inode, BTRFS_ILOCK_SHARED);
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btrfs_inode_lock(inode, BTRFS_ILOCK_SHARED);
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offset = find_desired_extent(inode, offset, whence);
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offset = find_desired_extent(BTRFS_I(inode), offset, whence);
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btrfs_inode_unlock(inode, BTRFS_ILOCK_SHARED);
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btrfs_inode_unlock(inode, BTRFS_ILOCK_SHARED);
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break;
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break;
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}
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}
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