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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 11:10:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 11:10:33 -0700
commit20bec8ab1458c24bed0d5492ee15d87807fc415a (patch)
treee5f910947dbe314b96a591e41e2cfb2d3322caad /fs/ext3
parent18b34b9546dc192d978dda940673f40928d2e36e (diff)
parente7c8f5079ed9ec9e6eb1abe3defc5fb4ebfdf1cb (diff)
downloadop-kernel-dev-20bec8ab1458c24bed0d5492ee15d87807fc415a.zip
op-kernel-dev-20bec8ab1458c24bed0d5492ee15d87807fc415a.tar.gz
Merge branch 'ext3-latency-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
* 'ext3-latency-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext3: Add replace-on-rename hueristics for data=writeback mode ext3: Add replace-on-truncate hueristics for data=writeback mode ext3: Use WRITE_SYNC for commits which are caused by fsync() block_write_full_page: Use synchronous writes for WBC_SYNC_ALL writebacks
Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/file.c4
-rw-r--r--fs/ext3/inode.c3
-rw-r--r--fs/ext3/namei.c6
3 files changed, 12 insertions, 1 deletions
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 521f823..5b49704 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -33,6 +33,10 @@
*/
static int ext3_release_file (struct inode * inode, struct file * filp)
{
+ if (EXT3_I(inode)->i_state & EXT3_STATE_FLUSH_ON_CLOSE) {
+ filemap_flush(inode->i_mapping);
+ EXT3_I(inode)->i_state &= ~EXT3_STATE_FLUSH_ON_CLOSE;
+ }
/* if we are the last writer on the inode, drop the block reservation */
if ((filp->f_mode & FMODE_WRITE) &&
(atomic_read(&inode->i_writecount) == 1))
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index d3ef656..466a332 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -2363,6 +2363,9 @@ void ext3_truncate(struct inode *inode)
if (!ext3_can_truncate(inode))
return;
+ if (inode->i_size == 0 && ext3_should_writeback_data(inode))
+ ei->i_state |= EXT3_STATE_FLUSH_ON_CLOSE;
+
/*
* We have to lock the EOF page here, because lock_page() nests
* outside journal_start().
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 6ddaa0a..6ff7b97 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2274,7 +2274,7 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
struct inode * old_inode, * new_inode;
struct buffer_head * old_bh, * new_bh, * dir_bh;
struct ext3_dir_entry_2 * old_de, * new_de;
- int retval;
+ int retval, flush_file = 0;
old_bh = new_bh = dir_bh = NULL;
@@ -2410,6 +2410,8 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
ext3_mark_inode_dirty(handle, new_inode);
if (!new_inode->i_nlink)
ext3_orphan_add(handle, new_inode);
+ if (ext3_should_writeback_data(new_inode))
+ flush_file = 1;
}
retval = 0;
@@ -2418,6 +2420,8 @@ end_rename:
brelse (old_bh);
brelse (new_bh);
ext3_journal_stop(handle);
+ if (retval == 0 && flush_file)
+ filemap_flush(old_inode->i_mapping);
return retval;
}
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