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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-07 13:03:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-07 13:03:53 -0700
commit09dc942c2a767e2d298f1cc9294bc19c7d7208c5 (patch)
treed310c118467c90c264e953bdc320ae08394c662a /include/linux/jbd2.h
parent90e0c225968f0878e090c7ff3f88323973476cee (diff)
parent6c7a120ac6c62316ab1fc78dfc0a7b13f3bfcbff (diff)
downloadop-kernel-dev-09dc942c2a767e2d298f1cc9294bc19c7d7208c5.zip
op-kernel-dev-09dc942c2a767e2d298f1cc9294bc19c7d7208c5.tar.gz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits) ext4: Adding error check after calling ext4_mb_regular_allocator() ext4: Fix dirtying of journalled buffers in data=journal mode ext4: re-inline ext4_rec_len_(to|from)_disk functions jbd2: Remove t_handle_lock from start_this_handle() jbd2: Change j_state_lock to be a rwlock_t jbd2: Use atomic variables to avoid taking t_handle_lock in jbd2_journal_stop ext4: Add mount options in superblock ext4: force block allocation on quota_off ext4: fix freeze deadlock under IO ext4: drop inode from orphan list if ext4_delete_inode() fails ext4: check to make make sure bd_dev is set before dereferencing it jbd2: Make barrier messages less scary ext4: don't print scary messages for allocation failures post-abort ext4: fix EFBIG edge case when writing to large non-extent file ext4: fix ext4_get_blocks references ext4: Always journal quota file modifications ext4: Fix potential memory leak in ext4_fill_super ext4: Don't error out the fs if the user tries to make a file too big ext4: allocate stripe-multiple IOs on stripe boundaries ext4: move aio completion after unwritten extent conversion ... Fix up conflicts in fs/ext4/inode.c as per Ted. Fix up xfs conflicts as per earlier xfs merge.
Diffstat (limited to 'include/linux/jbd2.h')
-rw-r--r--include/linux/jbd2.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index adf832d..0b52924 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -601,13 +601,13 @@ struct transaction_s
* Number of outstanding updates running on this transaction
* [t_handle_lock]
*/
- int t_updates;
+ atomic_t t_updates;
/*
* Number of buffers reserved for use by all handles in this transaction
* handle but not yet modified. [t_handle_lock]
*/
- int t_outstanding_credits;
+ atomic_t t_outstanding_credits;
/*
* Forward and backward links for the circular list of all transactions
@@ -629,7 +629,7 @@ struct transaction_s
/*
* How many handles used this transaction? [t_handle_lock]
*/
- int t_handle_count;
+ atomic_t t_handle_count;
/*
* This transaction is being forced and some process is
@@ -764,7 +764,7 @@ struct journal_s
/*
* Protect the various scalars in the journal
*/
- spinlock_t j_state_lock;
+ rwlock_t j_state_lock;
/*
* Number of processes waiting to create a barrier lock [j_state_lock]
@@ -1082,7 +1082,9 @@ static inline handle_t *journal_current_handle(void)
*/
extern handle_t *jbd2_journal_start(journal_t *, int nblocks);
-extern int jbd2_journal_restart (handle_t *, int nblocks);
+extern handle_t *jbd2__journal_start(journal_t *, int nblocks, int gfp_mask);
+extern int jbd2_journal_restart(handle_t *, int nblocks);
+extern int jbd2__journal_restart(handle_t *, int nblocks, int gfp_mask);
extern int jbd2_journal_extend (handle_t *, int nblocks);
extern int jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
extern int jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
@@ -1257,8 +1259,8 @@ static inline int jbd_space_needed(journal_t *journal)
{
int nblocks = journal->j_max_transaction_buffers;
if (journal->j_committing_transaction)
- nblocks += journal->j_committing_transaction->
- t_outstanding_credits;
+ nblocks += atomic_read(&journal->j_committing_transaction->
+ t_outstanding_credits);
return nblocks;
}
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