diff options
Diffstat (limited to 'fs/tux3/writeback.c')
| -rw-r--r-- | fs/tux3/writeback.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/tux3/writeback.c b/fs/tux3/writeback.c index 8d9c6702e1f860..1cdb88a6047867 100644 --- a/fs/tux3/writeback.c +++ b/fs/tux3/writeback.c @@ -467,6 +467,14 @@ int tux3_flush_inode_internal(struct inode *inode, unsigned delta) assert(tux3_is_inode_no_flush(inode)); assert(atomic_read(&inode->i_count) >= 1); + /* + * Check dirty state roughly (possibly false positive. True + * dirty state is in tuxnode->flags and per-delta dirty + * buffers list) to avoid lock overhead. + */ + if (!(inode->i_state & I_DIRTY)) + return 0; + err = tux3_flush_inode(inode, delta); /* FIXME: error handling */ __tux3_clear_dirty_inode(inode, delta); |