Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  jbd2: Fix oops in jbd2_journal_remove_journal_head()
  jbd2: Remove obsolete parameters in the comments for some jbd2 functions
  ext4: fixed tracepoints cleanup
  ext4: use FIEMAP_EXTENT_LAST flag for last extent in fiemap
  ext4: Fix max file size and logical block counting of extent format file
  ext4: correct comments for ext4_free_blocks()
This commit is contained in:
Linus Torvalds 2011-06-21 10:22:35 -07:00
commit 890879cfa0
12 changed files with 222 additions and 264 deletions

View file

@ -125,7 +125,7 @@ struct ext4_ext_path {
* positive retcode - signal for ext4_ext_walk_space(), see below
* callback must return valid extent (passed or newly created)
*/
typedef int (*ext_prepare_callback)(struct inode *, struct ext4_ext_path *,
typedef int (*ext_prepare_callback)(struct inode *, ext4_lblk_t,
struct ext4_ext_cache *,
struct ext4_extent *, void *);
@ -133,8 +133,11 @@ typedef int (*ext_prepare_callback)(struct inode *, struct ext4_ext_path *,
#define EXT_BREAK 1
#define EXT_REPEAT 2
/* Maximum logical block in a file; ext4_extent's ee_block is __le32 */
#define EXT_MAX_BLOCK 0xffffffff
/*
* Maximum number of logical blocks in a file; ext4_extent's ee_block is
* __le32.
*/
#define EXT_MAX_BLOCKS 0xffffffff
/*
* EXT_INIT_MAX_LEN is the maximum number of blocks we can have in an

View file

@ -1408,7 +1408,7 @@ static int ext4_ext_search_right(struct inode *inode,
/*
* ext4_ext_next_allocated_block:
* returns allocated block in subsequent extent or EXT_MAX_BLOCK.
* returns allocated block in subsequent extent or EXT_MAX_BLOCKS.
* NOTE: it considers block number from index entry as
* allocated block. Thus, index entries have to be consistent
* with leaves.
@ -1422,7 +1422,7 @@ ext4_ext_next_allocated_block(struct ext4_ext_path *path)
depth = path->p_depth;
if (depth == 0 && path->p_ext == NULL)
return EXT_MAX_BLOCK;
return EXT_MAX_BLOCKS;
while (depth >= 0) {
if (depth == path->p_depth) {
@ -1439,12 +1439,12 @@ ext4_ext_next_allocated_block(struct ext4_ext_path *path)
depth--;
}
return EXT_MAX_BLOCK;
return EXT_MAX_BLOCKS;
}
/*
* ext4_ext_next_leaf_block:
* returns first allocated block from next leaf or EXT_MAX_BLOCK
* returns first allocated block from next leaf or EXT_MAX_BLOCKS
*/
static ext4_lblk_t ext4_ext_next_leaf_block(struct inode *inode,
struct ext4_ext_path *path)
@ -1456,7 +1456,7 @@ static ext4_lblk_t ext4_ext_next_leaf_block(struct inode *inode,
/* zero-tree has no leaf blocks at all */
if (depth == 0)
return EXT_MAX_BLOCK;
return EXT_MAX_BLOCKS;
/* go to index block */
depth--;
@ -1469,7 +1469,7 @@ static ext4_lblk_t ext4_ext_next_leaf_block(struct inode *inode,
depth--;
}
return EXT_MAX_BLOCK;
return EXT_MAX_BLOCKS;
}
/*
@ -1677,13 +1677,13 @@ static unsigned int ext4_ext_check_overlap(struct inode *inode,
*/
if (b2 < b1) {
b2 = ext4_ext_next_allocated_block(path);
if (b2 == EXT_MAX_BLOCK)
if (b2 == EXT_MAX_BLOCKS)
goto out;
}
/* check for wrap through zero on extent logical start block*/
if (b1 + len1 < b1) {
len1 = EXT_MAX_BLOCK - b1;
len1 = EXT_MAX_BLOCKS - b1;
newext->ee_len = cpu_to_le16(len1);
ret = 1;
}
@ -1767,7 +1767,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
fex = EXT_LAST_EXTENT(eh);
next = ext4_ext_next_leaf_block(inode, path);
if (le32_to_cpu(newext->ee_block) > le32_to_cpu(fex->ee_block)
&& next != EXT_MAX_BLOCK) {
&& next != EXT_MAX_BLOCKS) {
ext_debug("next leaf block - %d\n", next);
BUG_ON(npath != NULL);
npath = ext4_ext_find_extent(inode, next, NULL);
@ -1887,7 +1887,7 @@ static int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
BUG_ON(func == NULL);
BUG_ON(inode == NULL);
while (block < last && block != EXT_MAX_BLOCK) {
while (block < last && block != EXT_MAX_BLOCKS) {
num = last - block;
/* find extent for this block */
down_read(&EXT4_I(inode)->i_data_sem);
@ -1958,7 +1958,7 @@ static int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
err = -EIO;
break;
}
err = func(inode, path, &cbex, ex, cbdata);
err = func(inode, next, &cbex, ex, cbdata);
ext4_ext_drop_refs(path);
if (err < 0)
@ -2020,7 +2020,7 @@ ext4_ext_put_gap_in_cache(struct inode *inode, struct ext4_ext_path *path,
if (ex == NULL) {
/* there is no extent yet, so gap is [0;-] */
lblock = 0;
len = EXT_MAX_BLOCK;
len = EXT_MAX_BLOCKS;
ext_debug("cache gap(whole file):");
} else if (block < le32_to_cpu(ex->ee_block)) {
lblock = block;
@ -2350,7 +2350,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
* never happen because at least one of the end points
* needs to be on the edge of the extent.
*/
if (end == EXT_MAX_BLOCK) {
if (end == EXT_MAX_BLOCKS - 1) {
ext_debug(" bad truncate %u:%u\n",
start, end);
block = 0;
@ -2398,7 +2398,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
* If this is a truncate, this condition
* should never happen
*/
if (end == EXT_MAX_BLOCK) {
if (end == EXT_MAX_BLOCKS - 1) {
ext_debug(" bad truncate %u:%u\n",
start, end);
err = -EIO;
@ -2478,7 +2478,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
* we need to remove it from the leaf
*/
if (num == 0) {
if (end != EXT_MAX_BLOCK) {
if (end != EXT_MAX_BLOCKS - 1) {
/*
* For hole punching, we need to scoot all the
* extents up when an extent is removed so that
@ -3699,7 +3699,7 @@ void ext4_ext_truncate(struct inode *inode)
last_block = (inode->i_size + sb->s_blocksize - 1)
>> EXT4_BLOCK_SIZE_BITS(sb);
err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCK);
err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1);
/* In a multi-transaction truncate, we only make the final
* transaction synchronous.
@ -3914,14 +3914,13 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
/*
* Callback function called for each extent to gather FIEMAP information.
*/
static int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path,
static int ext4_ext_fiemap_cb(struct inode *inode, ext4_lblk_t next,
struct ext4_ext_cache *newex, struct ext4_extent *ex,
void *data)
{
__u64 logical;
__u64 physical;
__u64 length;
loff_t size;
__u32 flags = 0;
int ret = 0;
struct fiemap_extent_info *fieinfo = data;
@ -4103,8 +4102,7 @@ static int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path,
if (ex && ext4_ext_is_uninitialized(ex))
flags |= FIEMAP_EXTENT_UNWRITTEN;
size = i_size_read(inode);
if (logical + length >= size)
if (next == EXT_MAX_BLOCKS)
flags |= FIEMAP_EXTENT_LAST;
ret = fiemap_fill_next_extent(fieinfo, logical, physical,
@ -4347,8 +4345,8 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
start_blk = start >> inode->i_sb->s_blocksize_bits;
last_blk = (start + len - 1) >> inode->i_sb->s_blocksize_bits;
if (last_blk >= EXT_MAX_BLOCK)
last_blk = EXT_MAX_BLOCK-1;
if (last_blk >= EXT_MAX_BLOCKS)
last_blk = EXT_MAX_BLOCKS-1;
len_blks = ((ext4_lblk_t) last_blk) - start_blk + 1;
/*

View file

@ -2634,7 +2634,7 @@ static int ext4_writepage(struct page *page,
struct buffer_head *page_bufs = NULL;
struct inode *inode = page->mapping->host;
trace_ext4_writepage(inode, page);
trace_ext4_writepage(page);
size = i_size_read(inode);
if (page->index == size >> PAGE_CACHE_SHIFT)
len = size & ~PAGE_CACHE_MASK;

View file

@ -3578,8 +3578,8 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
free += next - bit;
trace_ext4_mballoc_discard(sb, NULL, group, bit, next - bit);
trace_ext4_mb_release_inode_pa(sb, pa->pa_inode, pa,
grp_blk_start + bit, next - bit);
trace_ext4_mb_release_inode_pa(pa, grp_blk_start + bit,
next - bit);
mb_free_blocks(pa->pa_inode, e4b, bit, next - bit);
bit = next + 1;
}
@ -3608,7 +3608,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b,
ext4_group_t group;
ext4_grpblk_t bit;
trace_ext4_mb_release_group_pa(sb, pa);
trace_ext4_mb_release_group_pa(pa);
BUG_ON(pa->pa_deleted == 0);
ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
@ -4448,7 +4448,7 @@ ext4_mb_free_metadata(handle_t *handle, struct ext4_buddy *e4b,
* @inode: inode
* @block: start physical block to free
* @count: number of blocks to count
* @metadata: Are these metadata blocks
* @flags: flags used by ext4_free_blocks
*/
void ext4_free_blocks(handle_t *handle, struct inode *inode,
struct buffer_head *bh, ext4_fsblk_t block,

View file

@ -1002,12 +1002,12 @@ mext_check_arguments(struct inode *orig_inode,
return -EINVAL;
}
if ((orig_start > EXT_MAX_BLOCK) ||
(donor_start > EXT_MAX_BLOCK) ||
(*len > EXT_MAX_BLOCK) ||
(orig_start + *len > EXT_MAX_BLOCK)) {
if ((orig_start >= EXT_MAX_BLOCKS) ||
(donor_start >= EXT_MAX_BLOCKS) ||
(*len > EXT_MAX_BLOCKS) ||
(orig_start + *len >= EXT_MAX_BLOCKS)) {
ext4_debug("ext4 move extent: Can't handle over [%u] blocks "
"[ino:orig %lu, donor %lu]\n", EXT_MAX_BLOCK,
"[ino:orig %lu, donor %lu]\n", EXT_MAX_BLOCKS,
orig_inode->i_ino, donor_inode->i_ino);
return -EINVAL;
}

View file

@ -2243,6 +2243,12 @@ static void ext4_orphan_cleanup(struct super_block *sb,
* in the vfs. ext4 inode has 48 bits of i_block in fsblock units,
* so that won't be a limiting factor.
*
* However there is other limiting factor. We do store extents in the form
* of starting block and length, hence the resulting length of the extent
* covering maximum file size must fit into on-disk format containers as
* well. Given that length is always by 1 unit bigger than max unit (because
* we count 0 as well) we have to lower the s_maxbytes by one fs block.
*
* Note, this does *not* consider any metadata overhead for vfs i_blocks.
*/
static loff_t ext4_max_size(int blkbits, int has_huge_files)
@ -2264,10 +2270,13 @@ static loff_t ext4_max_size(int blkbits, int has_huge_files)
upper_limit <<= blkbits;
}
/* 32-bit extent-start container, ee_block */
res = 1LL << 32;
/*
* 32-bit extent-start container, ee_block. We lower the maxbytes
* by one fs block, so ee_len can cover the extent of maximum file
* size
*/
res = (1LL << 32) - 1;
res <<= blkbits;
res -= 1;
/* Sanity check against vm- & vfs- imposed limits */
if (res > upper_limit)

View file

@ -97,10 +97,14 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
if (jh->b_jlist == BJ_None && !buffer_locked(bh) &&
!buffer_dirty(bh) && !buffer_write_io_error(bh)) {
/*
* Get our reference so that bh cannot be freed before
* we unlock it
*/
get_bh(bh);
JBUFFER_TRACE(jh, "remove from checkpoint list");
ret = __jbd2_journal_remove_checkpoint(jh) + 1;
jbd_unlock_bh_state(bh);
jbd2_journal_remove_journal_head(bh);
BUFFER_TRACE(bh, "release");
__brelse(bh);
} else {
@ -223,8 +227,8 @@ static int __wait_cp_io(journal_t *journal, transaction_t *transaction)
spin_lock(&journal->j_list_lock);
goto restart;
}
get_bh(bh);
if (buffer_locked(bh)) {
atomic_inc(&bh->b_count);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
wait_on_buffer(bh);
@ -243,7 +247,6 @@ static int __wait_cp_io(journal_t *journal, transaction_t *transaction)
*/
released = __jbd2_journal_remove_checkpoint(jh);
jbd_unlock_bh_state(bh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
}
@ -284,7 +287,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
int ret = 0;
if (buffer_locked(bh)) {
atomic_inc(&bh->b_count);
get_bh(bh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
wait_on_buffer(bh);
@ -316,12 +319,12 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
ret = 1;
if (unlikely(buffer_write_io_error(bh)))
ret = -EIO;
get_bh(bh);
J_ASSERT_JH(jh, !buffer_jbddirty(bh));
BUFFER_TRACE(bh, "remove from checkpoint");
__jbd2_journal_remove_checkpoint(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
} else {
/*
@ -554,7 +557,8 @@ int jbd2_cleanup_journal_tail(journal_t *journal)
/*
* journal_clean_one_cp_list
*
* Find all the written-back checkpoint buffers in the given list and release them.
* Find all the written-back checkpoint buffers in the given list and
* release them.
*
* Called with the journal locked.
* Called with j_list_lock held.
@ -663,8 +667,8 @@ int __jbd2_journal_clean_checkpoint_list(journal_t *journal)
* checkpoint lists.
*
* The function returns 1 if it frees the transaction, 0 otherwise.
* The function can free jh and bh.
*
* This function is called with the journal locked.
* This function is called with j_list_lock held.
* This function is called with jbd_lock_bh_state(jh2bh(jh))
*/
@ -684,13 +688,14 @@ int __jbd2_journal_remove_checkpoint(struct journal_head *jh)
}
journal = transaction->t_journal;
JBUFFER_TRACE(jh, "removing from transaction");
__buffer_unlink(jh);
jh->b_cp_transaction = NULL;
jbd2_journal_put_journal_head(jh);
if (transaction->t_checkpoint_list != NULL ||
transaction->t_checkpoint_io_list != NULL)
goto out;
JBUFFER_TRACE(jh, "transaction has no more buffers");
/*
* There is one special case to worry about: if we have just pulled the
@ -701,10 +706,8 @@ int __jbd2_journal_remove_checkpoint(struct journal_head *jh)
* The locking here around t_state is a bit sleazy.
* See the comment at the end of jbd2_journal_commit_transaction().
*/
if (transaction->t_state != T_FINISHED) {
JBUFFER_TRACE(jh, "belongs to running/committing transaction");
if (transaction->t_state != T_FINISHED)
goto out;
}
/* OK, that was the last buffer for the transaction: we can now
safely remove this transaction from the log */
@ -723,7 +726,6 @@ int __jbd2_journal_remove_checkpoint(struct journal_head *jh)
wake_up(&journal->j_wait_logspace);
ret = 1;
out:
JBUFFER_TRACE(jh, "exit");
return ret;
}
@ -742,6 +744,8 @@ void __jbd2_journal_insert_checkpoint(struct journal_head *jh,
J_ASSERT_JH(jh, buffer_dirty(jh2bh(jh)) || buffer_jbddirty(jh2bh(jh)));
J_ASSERT_JH(jh, jh->b_cp_transaction == NULL);
/* Get reference for checkpointing transaction */
jbd2_journal_grab_journal_head(jh2bh(jh));
jh->b_cp_transaction = transaction;
if (!transaction->t_checkpoint_list) {

View file

@ -848,10 +848,16 @@ void jbd2_journal_commit_transaction(journal_t *journal)
while (commit_transaction->t_forget) {
transaction_t *cp_transaction;
struct buffer_head *bh;
int try_to_free = 0;
jh = commit_transaction->t_forget;
spin_unlock(&journal->j_list_lock);
bh = jh2bh(jh);
/*
* Get a reference so that bh cannot be freed before we are
* done with it.
*/
get_bh(bh);
jbd_lock_bh_state(bh);
J_ASSERT_JH(jh, jh->b_transaction == commit_transaction);
@ -914,28 +920,27 @@ void jbd2_journal_commit_transaction(journal_t *journal)
__jbd2_journal_insert_checkpoint(jh, commit_transaction);
if (is_journal_aborted(journal))
clear_buffer_jbddirty(bh);
JBUFFER_TRACE(jh, "refile for checkpoint writeback");
__jbd2_journal_refile_buffer(jh);
jbd_unlock_bh_state(bh);
} else {
J_ASSERT_BH(bh, !buffer_dirty(bh));
/* The buffer on BJ_Forget list and not jbddirty means
/*
* The buffer on BJ_Forget list and not jbddirty means
* it has been freed by this transaction and hence it
* could not have been reallocated until this
* transaction has committed. *BUT* it could be
* reallocated once we have written all the data to
* disk and before we process the buffer on BJ_Forget
* list. */
JBUFFER_TRACE(jh, "refile or unfile freed buffer");
__jbd2_journal_refile_buffer(jh);
if (!jh->b_transaction) {
jbd_unlock_bh_state(bh);
/* needs a brelse */
jbd2_journal_remove_journal_head(bh);
release_buffer_page(bh);
} else
jbd_unlock_bh_state(bh);
* list.
*/
if (!jh->b_next_transaction)
try_to_free = 1;
}
JBUFFER_TRACE(jh, "refile or unfile buffer");
__jbd2_journal_refile_buffer(jh);
jbd_unlock_bh_state(bh);
if (try_to_free)
release_buffer_page(bh); /* Drops bh reference */
else
__brelse(bh);
cond_resched_lock(&journal->j_list_lock);
}
spin_unlock(&journal->j_list_lock);

View file

@ -2078,10 +2078,9 @@ static void journal_free_journal_head(struct journal_head *jh)
* When a buffer has its BH_JBD bit set it is immune from being released by
* core kernel code, mainly via ->b_count.
*
* A journal_head may be detached from its buffer_head when the journal_head's
* b_transaction, b_cp_transaction and b_next_transaction pointers are NULL.
* Various places in JBD call jbd2_journal_remove_journal_head() to indicate that the
* journal_head can be dropped if needed.
* A journal_head is detached from its buffer_head when the journal_head's
* b_jcount reaches zero. Running transaction (b_transaction) and checkpoint
* transaction (b_cp_transaction) hold their references to b_jcount.
*
* Various places in the kernel want to attach a journal_head to a buffer_head
* _before_ attaching the journal_head to a transaction. To protect the
@ -2094,17 +2093,16 @@ static void journal_free_journal_head(struct journal_head *jh)
* (Attach a journal_head if needed. Increments b_jcount)
* struct journal_head *jh = jbd2_journal_add_journal_head(bh);
* ...
* (Get another reference for transaction)
* jbd2_journal_grab_journal_head(bh);
* jh->b_transaction = xxx;
* (Put original reference)
* jbd2_journal_put_journal_head(jh);
*
* Now, the journal_head's b_jcount is zero, but it is safe from being released
* because it has a non-zero b_transaction.
*/
/*
* Give a buffer_head a journal_head.
*
* Doesn't need the journal lock.
* May sleep.
*/
struct journal_head *jbd2_journal_add_journal_head(struct buffer_head *bh)
@ -2168,61 +2166,29 @@ static void __journal_remove_journal_head(struct buffer_head *bh)
struct journal_head *jh = bh2jh(bh);
J_ASSERT_JH(jh, jh->b_jcount >= 0);
get_bh(bh);
if (jh->b_jcount == 0) {
if (jh->b_transaction == NULL &&
jh->b_next_transaction == NULL &&
jh->b_cp_transaction == NULL) {
J_ASSERT_JH(jh, jh->b_jlist == BJ_None);
J_ASSERT_BH(bh, buffer_jbd(bh));
J_ASSERT_BH(bh, jh2bh(jh) == bh);
BUFFER_TRACE(bh, "remove journal_head");
if (jh->b_frozen_data) {
printk(KERN_WARNING "%s: freeing "
"b_frozen_data\n",
__func__);
jbd2_free(jh->b_frozen_data, bh->b_size);
}
if (jh->b_committed_data) {
printk(KERN_WARNING "%s: freeing "
"b_committed_data\n",
__func__);
jbd2_free(jh->b_committed_data, bh->b_size);
}
bh->b_private = NULL;
jh->b_bh = NULL; /* debug, really */
clear_buffer_jbd(bh);
__brelse(bh);
journal_free_journal_head(jh);
} else {
BUFFER_TRACE(bh, "journal_head was locked");
}
J_ASSERT_JH(jh, jh->b_transaction == NULL);
J_ASSERT_JH(jh, jh->b_next_transaction == NULL);
J_ASSERT_JH(jh, jh->b_cp_transaction == NULL);
J_ASSERT_JH(jh, jh->b_jlist == BJ_None);
J_ASSERT_BH(bh, buffer_jbd(bh));
J_ASSERT_BH(bh, jh2bh(jh) == bh);
BUFFER_TRACE(bh, "remove journal_head");
if (jh->b_frozen_data) {
printk(KERN_WARNING "%s: freeing b_frozen_data\n", __func__);
jbd2_free(jh->b_frozen_data, bh->b_size);
}
if (jh->b_committed_data) {
printk(KERN_WARNING "%s: freeing b_committed_data\n", __func__);
jbd2_free(jh->b_committed_data, bh->b_size);
}
bh->b_private = NULL;
jh->b_bh = NULL; /* debug, really */
clear_buffer_jbd(bh);
journal_free_journal_head(jh);
}
/*
* jbd2_journal_remove_journal_head(): if the buffer isn't attached to a transaction
* and has a zero b_jcount then remove and release its journal_head. If we did
* see that the buffer is not used by any transaction we also "logically"
* decrement ->b_count.
*
* We in fact take an additional increment on ->b_count as a convenience,
* because the caller usually wants to do additional things with the bh
* after calling here.
* The caller of jbd2_journal_remove_journal_head() *must* run __brelse(bh) at some
* time. Once the caller has run __brelse(), the buffer is eligible for
* reaping by try_to_free_buffers().
*/
void jbd2_journal_remove_journal_head(struct buffer_head *bh)
{
jbd_lock_bh_journal_head(bh);
__journal_remove_journal_head(bh);
jbd_unlock_bh_journal_head(bh);
}
/*
* Drop a reference on the passed journal_head. If it fell to zero then try to
* Drop a reference on the passed journal_head. If it fell to zero then
* release the journal_head from the buffer_head.
*/
void jbd2_journal_put_journal_head(struct journal_head *jh)
@ -2232,11 +2198,12 @@ void jbd2_journal_put_journal_head(struct journal_head *jh)
jbd_lock_bh_journal_head(bh);
J_ASSERT_JH(jh, jh->b_jcount > 0);
--jh->b_jcount;
if (!jh->b_jcount && !jh->b_transaction) {
if (!jh->b_jcount) {
__journal_remove_journal_head(bh);
jbd_unlock_bh_journal_head(bh);
__brelse(bh);
}
jbd_unlock_bh_journal_head(bh);
} else
jbd_unlock_bh_journal_head(bh);
}
/*

View file

@ -30,6 +30,7 @@
#include <linux/module.h>
static void __jbd2_journal_temp_unlink_buffer(struct journal_head *jh);
static void __jbd2_journal_unfile_buffer(struct journal_head *jh);
/*
* jbd2_get_transaction: obtain a new transaction_t object.
@ -764,7 +765,6 @@ do_get_write_access(handle_t *handle, struct journal_head *jh,
if (!jh->b_transaction) {
JBUFFER_TRACE(jh, "no transaction");
J_ASSERT_JH(jh, !jh->b_next_transaction);
jh->b_transaction = transaction;
JBUFFER_TRACE(jh, "file as BJ_Reserved");
spin_lock(&journal->j_list_lock);
__jbd2_journal_file_buffer(jh, transaction, BJ_Reserved);
@ -814,7 +814,6 @@ do_get_write_access(handle_t *handle, struct journal_head *jh,
* int jbd2_journal_get_write_access() - notify intent to modify a buffer for metadata (not data) update.
* @handle: transaction to add buffer modifications to
* @bh: bh to be used for metadata writes
* @credits: variable that will receive credits for the buffer
*
* Returns an error code or 0 on success.
*
@ -896,8 +895,6 @@ int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh)
* committed and so it's safe to clear the dirty bit.
*/
clear_buffer_dirty(jh2bh(jh));
jh->b_transaction = transaction;
/* first access by this transaction */
jh->b_modified = 0;
@ -932,7 +929,6 @@ int jbd2_journal_get_create_access(handle_t *handle, struct buffer_head *bh)
* non-rewindable consequences
* @handle: transaction
* @bh: buffer to undo
* @credits: store the number of taken credits here (if not NULL)
*
* Sometimes there is a need to distinguish between metadata which has
* been committed to disk and that which has not. The ext3fs code uses
@ -1232,8 +1228,6 @@ int jbd2_journal_forget (handle_t *handle, struct buffer_head *bh)
__jbd2_journal_file_buffer(jh, transaction, BJ_Forget);
} else {
__jbd2_journal_unfile_buffer(jh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
if (!buffer_jbd(bh)) {
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
@ -1556,19 +1550,32 @@ void __jbd2_journal_temp_unlink_buffer(struct journal_head *jh)
mark_buffer_dirty(bh); /* Expose it to the VM */
}
void __jbd2_journal_unfile_buffer(struct journal_head *jh)
/*
* Remove buffer from all transactions.
*
* Called with bh_state lock and j_list_lock
*
* jh and bh may be already freed when this function returns.
*/
static void __jbd2_journal_unfile_buffer(struct journal_head *jh)
{
__jbd2_journal_temp_unlink_buffer(jh);
jh->b_transaction = NULL;
jbd2_journal_put_journal_head(jh);
}
void jbd2_journal_unfile_buffer(journal_t *journal, struct journal_head *jh)
{
jbd_lock_bh_state(jh2bh(jh));
struct buffer_head *bh = jh2bh(jh);
/* Get reference so that buffer cannot be freed before we unlock it */
get_bh(bh);
jbd_lock_bh_state(bh);
spin_lock(&journal->j_list_lock);
__jbd2_journal_unfile_buffer(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(jh2bh(jh));
jbd_unlock_bh_state(bh);
__brelse(bh);
}
/*
@ -1595,8 +1602,6 @@ __journal_try_to_free_buffer(journal_t *journal, struct buffer_head *bh)
if (jh->b_jlist == BJ_None) {
JBUFFER_TRACE(jh, "remove from checkpoint list");
__jbd2_journal_remove_checkpoint(jh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
}
}
spin_unlock(&journal->j_list_lock);
@ -1659,7 +1664,6 @@ int jbd2_journal_try_to_free_buffers(journal_t *journal,
/*
* We take our own ref against the journal_head here to avoid
* having to add tons of locking around each instance of
* jbd2_journal_remove_journal_head() and
* jbd2_journal_put_journal_head().
*/
jh = jbd2_journal_grab_journal_head(bh);
@ -1697,10 +1701,9 @@ static int __dispose_buffer(struct journal_head *jh, transaction_t *transaction)
int may_free = 1;
struct buffer_head *bh = jh2bh(jh);
__jbd2_journal_unfile_buffer(jh);
if (jh->b_cp_transaction) {
JBUFFER_TRACE(jh, "on running+cp transaction");
__jbd2_journal_temp_unlink_buffer(jh);
/*
* We don't want to write the buffer anymore, clear the
* bit so that we don't confuse checks in
@ -1711,8 +1714,7 @@ static int __dispose_buffer(struct journal_head *jh, transaction_t *transaction)
may_free = 0;
} else {
JBUFFER_TRACE(jh, "on running transaction");
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
__jbd2_journal_unfile_buffer(jh);
}
return may_free;
}
@ -1990,6 +1992,8 @@ void __jbd2_journal_file_buffer(struct journal_head *jh,
if (jh->b_transaction)
__jbd2_journal_temp_unlink_buffer(jh);
else
jbd2_journal_grab_journal_head(bh);
jh->b_transaction = transaction;
switch (jlist) {
@ -2041,9 +2045,10 @@ void jbd2_journal_file_buffer(struct journal_head *jh,
* already started to be used by a subsequent transaction, refile the
* buffer on that transaction's metadata list.
*
* Called under journal->j_list_lock
*
* Called under j_list_lock
* Called under jbd_lock_bh_state(jh2bh(jh))
*
* jh and bh may be already free when this function returns
*/
void __jbd2_journal_refile_buffer(struct journal_head *jh)
{
@ -2067,6 +2072,11 @@ void __jbd2_journal_refile_buffer(struct journal_head *jh)
was_dirty = test_clear_buffer_jbddirty(bh);
__jbd2_journal_temp_unlink_buffer(jh);
/*
* We set b_transaction here because b_next_transaction will inherit
* our jh reference and thus __jbd2_journal_file_buffer() must not
* take a new one.
*/
jh->b_transaction = jh->b_next_transaction;
jh->b_next_transaction = NULL;
if (buffer_freed(bh))
@ -2083,30 +2093,21 @@ void __jbd2_journal_refile_buffer(struct journal_head *jh)
}
/*
* For the unlocked version of this call, also make sure that any
* hanging journal_head is cleaned up if necessary.
* __jbd2_journal_refile_buffer() with necessary locking added. We take our
* bh reference so that we can safely unlock bh.
*
* __jbd2_journal_refile_buffer is usually called as part of a single locked
* operation on a buffer_head, in which the caller is probably going to
* be hooking the journal_head onto other lists. In that case it is up
* to the caller to remove the journal_head if necessary. For the
* unlocked jbd2_journal_refile_buffer call, the caller isn't going to be
* doing anything else to the buffer so we need to do the cleanup
* ourselves to avoid a jh leak.
*
* *** The journal_head may be freed by this call! ***
* The jh and bh may be freed by this call.
*/
void jbd2_journal_refile_buffer(journal_t *journal, struct journal_head *jh)
{
struct buffer_head *bh = jh2bh(jh);
/* Get reference so that buffer cannot be freed before we unlock it */
get_bh(bh);
jbd_lock_bh_state(bh);
spin_lock(&journal->j_list_lock);
__jbd2_journal_refile_buffer(jh);
jbd_unlock_bh_state(bh);
jbd2_journal_remove_journal_head(bh);
spin_unlock(&journal->j_list_lock);
__brelse(bh);
}

View file

@ -1024,7 +1024,6 @@ struct journal_s
/* Filing buffers */
extern void jbd2_journal_unfile_buffer(journal_t *, struct journal_head *);
extern void __jbd2_journal_unfile_buffer(struct journal_head *);
extern void __jbd2_journal_refile_buffer(struct journal_head *);
extern void jbd2_journal_refile_buffer(journal_t *, struct journal_head *);
extern void __jbd2_journal_file_buffer(struct journal_head *, transaction_t *, int);
@ -1165,7 +1164,6 @@ extern void jbd2_journal_release_jbd_inode(journal_t *journal, struct jbd2_in
*/
struct journal_head *jbd2_journal_add_journal_head(struct buffer_head *bh);
struct journal_head *jbd2_journal_grab_journal_head(struct buffer_head *bh);
void jbd2_journal_remove_journal_head(struct buffer_head *bh);
void jbd2_journal_put_journal_head(struct journal_head *jh);
/*

View file

@ -26,7 +26,7 @@ TRACE_EVENT(ext4_free_inode,
__field( umode_t, mode )
__field( uid_t, uid )
__field( gid_t, gid )
__field( blkcnt_t, blocks )
__field( __u64, blocks )
),
TP_fast_assign(
@ -40,9 +40,8 @@ TRACE_EVENT(ext4_free_inode,
TP_printk("dev %d,%d ino %lu mode 0%o uid %u gid %u blocks %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, __entry->uid, __entry->gid,
(unsigned long long) __entry->blocks)
(unsigned long) __entry->ino, __entry->mode,
__entry->uid, __entry->gid, __entry->blocks)
);
TRACE_EVENT(ext4_request_inode,
@ -178,7 +177,7 @@ TRACE_EVENT(ext4_begin_ordered_truncate,
TP_printk("dev %d,%d ino %lu new_size %lld",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(long long) __entry->new_size)
__entry->new_size)
);
DECLARE_EVENT_CLASS(ext4__write_begin,
@ -204,7 +203,7 @@ DECLARE_EVENT_CLASS(ext4__write_begin,
__entry->flags = flags;
),
TP_printk("dev %d,%d ino %lu pos %llu len %u flags %u",
TP_printk("dev %d,%d ino %lu pos %lld len %u flags %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->pos, __entry->len, __entry->flags)
@ -248,7 +247,7 @@ DECLARE_EVENT_CLASS(ext4__write_end,
__entry->copied = copied;
),
TP_printk("dev %d,%d ino %lu pos %llu len %u copied %u",
TP_printk("dev %d,%d ino %lu pos %lld len %u copied %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->pos, __entry->len, __entry->copied)
@ -286,29 +285,6 @@ DEFINE_EVENT(ext4__write_end, ext4_da_write_end,
TP_ARGS(inode, pos, len, copied)
);
TRACE_EVENT(ext4_writepage,
TP_PROTO(struct inode *inode, struct page *page),
TP_ARGS(inode, page),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( pgoff_t, index )
),
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
__entry->index = page->index;
),
TP_printk("dev %d,%d ino %lu page_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->index)
);
TRACE_EVENT(ext4_da_writepages,
TP_PROTO(struct inode *inode, struct writeback_control *wbc),
@ -341,7 +317,7 @@ TRACE_EVENT(ext4_da_writepages,
),
TP_printk("dev %d,%d ino %lu nr_to_write %ld pages_skipped %ld "
"range_start %llu range_end %llu sync_mode %d"
"range_start %lld range_end %lld sync_mode %d"
"for_kupdate %d range_cyclic %d writeback_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->nr_to_write,
@ -449,7 +425,14 @@ DECLARE_EVENT_CLASS(ext4__page_op,
TP_printk("dev %d,%d ino %lu page_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->index)
(unsigned long) __entry->index)
);
DEFINE_EVENT(ext4__page_op, ext4_writepage,
TP_PROTO(struct page *page),
TP_ARGS(page)
);
DEFINE_EVENT(ext4__page_op, ext4_readpage,
@ -489,7 +472,7 @@ TRACE_EVENT(ext4_invalidatepage,
TP_printk("dev %d,%d ino %lu page_index %lu offset %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->index, __entry->offset)
(unsigned long) __entry->index, __entry->offset)
);
TRACE_EVENT(ext4_discard_blocks,
@ -562,12 +545,10 @@ DEFINE_EVENT(ext4__mb_new_pa, ext4_mb_new_group_pa,
);
TRACE_EVENT(ext4_mb_release_inode_pa,
TP_PROTO(struct super_block *sb,
struct inode *inode,
struct ext4_prealloc_space *pa,
TP_PROTO(struct ext4_prealloc_space *pa,
unsigned long long block, unsigned int count),
TP_ARGS(sb, inode, pa, block, count),
TP_ARGS(pa, block, count),
TP_STRUCT__entry(
__field( dev_t, dev )
@ -578,8 +559,8 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->ino = inode->i_ino;
__entry->dev = pa->pa_inode->i_sb->s_dev;
__entry->ino = pa->pa_inode->i_ino;
__entry->block = block;
__entry->count = count;
),
@ -591,10 +572,9 @@ TRACE_EVENT(ext4_mb_release_inode_pa,
);
TRACE_EVENT(ext4_mb_release_group_pa,
TP_PROTO(struct super_block *sb,
struct ext4_prealloc_space *pa),
TP_PROTO(struct ext4_prealloc_space *pa),
TP_ARGS(sb, pa),
TP_ARGS(pa),
TP_STRUCT__entry(
__field( dev_t, dev )
@ -604,7 +584,7 @@ TRACE_EVENT(ext4_mb_release_group_pa,
),
TP_fast_assign(
__entry->dev = sb->s_dev;
__entry->dev = pa->pa_inode->i_sb->s_dev;
__entry->pa_pstart = pa->pa_pstart;
__entry->pa_len = pa->pa_len;
),
@ -666,10 +646,10 @@ TRACE_EVENT(ext4_request_blocks,
__field( ino_t, ino )
__field( unsigned int, flags )
__field( unsigned int, len )
__field( __u64, logical )
__field( __u32, logical )
__field( __u32, lleft )
__field( __u32, lright )
__field( __u64, goal )
__field( __u64, lleft )
__field( __u64, lright )
__field( __u64, pleft )
__field( __u64, pright )
),
@ -687,17 +667,13 @@ TRACE_EVENT(ext4_request_blocks,
__entry->pright = ar->pright;
),
TP_printk("dev %d,%d ino %lu flags %u len %u lblk %llu goal %llu "
"lleft %llu lright %llu pleft %llu pright %llu ",
TP_printk("dev %d,%d ino %lu flags %u len %u lblk %u goal %llu "
"lleft %u lright %u pleft %llu pright %llu ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->flags, __entry->len,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
(unsigned long long) __entry->lright,
(unsigned long long) __entry->pleft,
(unsigned long long) __entry->pright)
(unsigned long) __entry->ino, __entry->flags,
__entry->len, __entry->logical, __entry->goal,
__entry->lleft, __entry->lright, __entry->pleft,
__entry->pright)
);
TRACE_EVENT(ext4_allocate_blocks,
@ -711,10 +687,10 @@ TRACE_EVENT(ext4_allocate_blocks,
__field( __u64, block )
__field( unsigned int, flags )
__field( unsigned int, len )
__field( __u64, logical )
__field( __u32, logical )
__field( __u32, lleft )
__field( __u32, lright )
__field( __u64, goal )
__field( __u64, lleft )
__field( __u64, lright )
__field( __u64, pleft )
__field( __u64, pright )
),
@ -733,17 +709,13 @@ TRACE_EVENT(ext4_allocate_blocks,
__entry->pright = ar->pright;
),
TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %llu "
"goal %llu lleft %llu lright %llu pleft %llu pright %llu",
TP_printk("dev %d,%d ino %lu flags %u len %u block %llu lblk %u "
"goal %llu lleft %u lright %u pleft %llu pright %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->flags, __entry->len, __entry->block,
(unsigned long long) __entry->logical,
(unsigned long long) __entry->goal,
(unsigned long long) __entry->lleft,
(unsigned long long) __entry->lright,
(unsigned long long) __entry->pleft,
(unsigned long long) __entry->pright)
(unsigned long) __entry->ino, __entry->flags,
__entry->len, __entry->block, __entry->logical,
__entry->goal, __entry->lleft, __entry->lright,
__entry->pleft, __entry->pright)
);
TRACE_EVENT(ext4_free_blocks,
@ -755,10 +727,10 @@ TRACE_EVENT(ext4_free_blocks,
TP_STRUCT__entry(
__field( dev_t, dev )
__field( ino_t, ino )
__field( umode_t, mode )
__field( umode_t, mode )
__field( __u64, block )
__field( unsigned long, count )
__field( int, flags )
__field( int, flags )
),
TP_fast_assign(
@ -798,7 +770,7 @@ TRACE_EVENT(ext4_sync_file_enter,
__entry->parent = dentry->d_parent->d_inode->i_ino;
),
TP_printk("dev %d,%d ino %ld parent %ld datasync %d ",
TP_printk("dev %d,%d ino %lu parent %lu datasync %d ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long) __entry->parent, __entry->datasync)
@ -821,7 +793,7 @@ TRACE_EVENT(ext4_sync_file_exit,
__entry->dev = inode->i_sb->s_dev;
),
TP_printk("dev %d,%d ino %ld ret %d",
TP_printk("dev %d,%d ino %lu ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->ret)
@ -1005,7 +977,7 @@ DECLARE_EVENT_CLASS(ext4__mballoc,
__entry->result_len = len;
),
TP_printk("dev %d,%d inode %lu extent %u/%d/%u ",
TP_printk("dev %d,%d inode %lu extent %u/%d/%d ",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->result_group, __entry->result_start,
@ -1093,7 +1065,7 @@ TRACE_EVENT(ext4_da_update_reserve_space,
"allocated_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->used_blocks, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
);
@ -1127,7 +1099,7 @@ TRACE_EVENT(ext4_da_reserve_space,
"reserved_data_blocks %d reserved_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->md_needed, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks)
);
@ -1164,7 +1136,7 @@ TRACE_EVENT(ext4_da_release_space,
"allocated_meta_blocks %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->mode, (unsigned long long) __entry->i_blocks,
__entry->mode, __entry->i_blocks,
__entry->freed_blocks, __entry->reserved_data_blocks,
__entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
);
@ -1239,14 +1211,15 @@ TRACE_EVENT(ext4_direct_IO_enter,
__entry->rw = rw;
),
TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->len, __entry->rw)
__entry->pos, __entry->len, __entry->rw)
);
TRACE_EVENT(ext4_direct_IO_exit,
TP_PROTO(struct inode *inode, loff_t offset, unsigned long len, int rw, int ret),
TP_PROTO(struct inode *inode, loff_t offset, unsigned long len,
int rw, int ret),
TP_ARGS(inode, offset, len, rw, ret),
@ -1268,10 +1241,10 @@ TRACE_EVENT(ext4_direct_IO_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %lu pos %llu len %lu rw %d ret %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lu rw %d ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->len,
__entry->pos, __entry->len,
__entry->rw, __entry->ret)
);
@ -1296,15 +1269,15 @@ TRACE_EVENT(ext4_fallocate_enter,
__entry->mode = mode;
),
TP_printk("dev %d,%d ino %ld pos %llu len %llu mode %d",
TP_printk("dev %d,%d ino %lu pos %lld len %lld mode %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos,
(unsigned long long) __entry->len, __entry->mode)
(unsigned long) __entry->ino, __entry->pos,
__entry->len, __entry->mode)
);
TRACE_EVENT(ext4_fallocate_exit,
TP_PROTO(struct inode *inode, loff_t offset, unsigned int max_blocks, int ret),
TP_PROTO(struct inode *inode, loff_t offset,
unsigned int max_blocks, int ret),
TP_ARGS(inode, offset, max_blocks, ret),
@ -1312,7 +1285,7 @@ TRACE_EVENT(ext4_fallocate_exit,
__field( ino_t, ino )
__field( dev_t, dev )
__field( loff_t, pos )
__field( unsigned, blocks )
__field( unsigned int, blocks )
__field( int, ret )
),
@ -1324,10 +1297,10 @@ TRACE_EVENT(ext4_fallocate_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %ld pos %llu blocks %d ret %d",
TP_printk("dev %d,%d ino %lu pos %lld blocks %u ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned long long) __entry->pos, __entry->blocks,
__entry->pos, __entry->blocks,
__entry->ret)
);
@ -1350,7 +1323,7 @@ TRACE_EVENT(ext4_unlink_enter,
__entry->dev = dentry->d_inode->i_sb->s_dev;
),
TP_printk("dev %d,%d ino %ld size %lld parent %ld",
TP_printk("dev %d,%d ino %lu size %lld parent %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->size,
(unsigned long) __entry->parent)
@ -1373,7 +1346,7 @@ TRACE_EVENT(ext4_unlink_exit,
__entry->ret = ret;
),
TP_printk("dev %d,%d ino %ld ret %d",
TP_printk("dev %d,%d ino %lu ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
__entry->ret)
@ -1387,7 +1360,7 @@ DECLARE_EVENT_CLASS(ext4__truncate,
TP_STRUCT__entry(
__field( ino_t, ino )
__field( dev_t, dev )
__field( blkcnt_t, blocks )
__field( __u64, blocks )
),
TP_fast_assign(
@ -1396,9 +1369,9 @@ DECLARE_EVENT_CLASS(ext4__truncate,
__entry->blocks = inode->i_blocks;
),
TP_printk("dev %d,%d ino %lu blocks %lu",
TP_printk("dev %d,%d ino %lu blocks %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, (unsigned long) __entry->blocks)
(unsigned long) __entry->ino, __entry->blocks)
);
DEFINE_EVENT(ext4__truncate, ext4_truncate_enter,
@ -1417,7 +1390,7 @@ DEFINE_EVENT(ext4__truncate, ext4_truncate_exit,
DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
unsigned len, unsigned flags),
unsigned int len, unsigned int flags),
TP_ARGS(inode, lblk, len, flags),
@ -1425,8 +1398,8 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
__field( ino_t, ino )
__field( dev_t, dev )
__field( ext4_lblk_t, lblk )
__field( unsigned, len )
__field( unsigned, flags )
__field( unsigned int, len )
__field( unsigned int, flags )
),
TP_fast_assign(
@ -1440,7 +1413,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
TP_printk("dev %d,%d ino %lu lblk %u len %u flags %u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, __entry->len, __entry->flags)
__entry->lblk, __entry->len, __entry->flags)
);
DEFINE_EVENT(ext4__map_blocks_enter, ext4_ext_map_blocks_enter,
@ -1459,7 +1432,7 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter,
DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
ext4_fsblk_t pblk, unsigned len, int ret),
ext4_fsblk_t pblk, unsigned int len, int ret),
TP_ARGS(inode, lblk, pblk, len, ret),
@ -1468,7 +1441,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
__field( dev_t, dev )
__field( ext4_lblk_t, lblk )
__field( ext4_fsblk_t, pblk )
__field( unsigned, len )
__field( unsigned int, len )
__field( int, ret )
),
@ -1484,7 +1457,7 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, (unsigned long long) __entry->pblk,
__entry->lblk, __entry->pblk,
__entry->len, __entry->ret)
);
@ -1524,7 +1497,7 @@ TRACE_EVENT(ext4_ext_load_extent,
TP_printk("dev %d,%d ino %lu lblk %u pblk %llu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino,
(unsigned) __entry->lblk, (unsigned long long) __entry->pblk)
__entry->lblk, __entry->pblk)
);
TRACE_EVENT(ext4_load_inode,