* [PATCH] Btrfs: don't wait for ordered data outside desired range
@ 2013-11-06 15:12 Filipe David Borba Manana
2013-11-07 11:13 ` [PATCH v2] " Filipe David Borba Manana
0 siblings, 1 reply; 2+ messages in thread
From: Filipe David Borba Manana @ 2013-11-06 15:12 UTC (permalink / raw)
To: linux-btrfs; +Cc: Filipe David Borba Manana
In btrfs_wait_ordered_range(), if we found an extent to the left
of the start of our desired wait range and the last byte of that
extent is 1 less than the desired range's start, we would would
wait for the IO completion of that extent unnecessarily.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
---
fs/btrfs/ordered-data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 25a8f38..c37124b 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -803,7 +803,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
btrfs_put_ordered_extent(ordered);
break;
}
- if (ordered->file_offset + ordered->len < start) {
+ if (ordered->file_offset + ordered->len <= start) {
btrfs_put_ordered_extent(ordered);
break;
}
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v2] Btrfs: don't wait for ordered data outside desired range
2013-11-06 15:12 [PATCH] Btrfs: don't wait for ordered data outside desired range Filipe David Borba Manana
@ 2013-11-07 11:13 ` Filipe David Borba Manana
0 siblings, 0 replies; 2+ messages in thread
From: Filipe David Borba Manana @ 2013-11-07 11:13 UTC (permalink / raw)
To: linux-btrfs; +Cc: Filipe David Borba Manana
In btrfs_wait_ordered_range(), if we found an extent to the left
of the start of our desired wait range and the last byte of that
extent is 1 less than the desired range's start, we would would
wait for the IO completion of that extent and all other extents
to the left of that extent, unnecessarily.
Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
---
V2: Updated commit message.
fs/btrfs/ordered-data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 25a8f38..c37124b 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -803,7 +803,7 @@ int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len)
btrfs_put_ordered_extent(ordered);
break;
}
- if (ordered->file_offset + ordered->len < start) {
+ if (ordered->file_offset + ordered->len <= start) {
btrfs_put_ordered_extent(ordered);
break;
}
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2013-11-07 11:14 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-11-06 15:12 [PATCH] Btrfs: don't wait for ordered data outside desired range Filipe David Borba Manana
2013-11-07 11:13 ` [PATCH v2] " Filipe David Borba Manana
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.