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Go Back   Linux Archive > Redhat > Device-mapper Development

 
 
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Old 08-25-2010, 03:47 PM
Tejun Heo
 
Default fat: do not send discards as barriers

From: Christoph Hellwig <hch@infradead.org>

fat already uses synchronous discards, no need to add I/O barriers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
fs/fat/fatent.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 3a56a82..f9a0b7a 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -579,7 +579,7 @@ int fat_free_clusters(struct inode *inode, int cluster)
fat_clus_to_blknr(sbi, first_cl),
nr_clus * sbi->sec_per_clus,
GFP_NOFS,
- BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+ BLKDEV_IFL_WAIT);

first_cl = cluster;
}
--
1.7.1

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Old 09-03-2010, 10:29 AM
Tejun Heo
 
Default fat: do not send discards as barriers

From: Christoph Hellwig <hch@infradead.org>

fat already uses synchronous discards, no need to add I/O barriers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
fs/fat/fatent.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 3a56a82..f9a0b7a 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -579,7 +579,7 @@ int fat_free_clusters(struct inode *inode, int cluster)
fat_clus_to_blknr(sbi, first_cl),
nr_clus * sbi->sec_per_clus,
GFP_NOFS,
- BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
+ BLKDEV_IFL_WAIT);

first_cl = cluster;
}
--
1.7.1

--
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