* [PATCH 6/6] udf: use extent cache when moving to last extent
@ 2012-10-09 15:10 Namjae Jeon
0 siblings, 0 replies; only message in thread
From: Namjae Jeon @ 2012-10-09 15:10 UTC (permalink / raw)
To: jack; +Cc: linux-kernel, Namjae Jeon, Namjae Jeon, Ashish Sangwan
From: Namjae Jeon <namjae.jeon@samsung.com>
Use extent cache when moving to last extent.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>
---
fs/udf/truncate.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c
index 8a9657d..95fd9bf 100644
--- a/fs/udf/truncate.c
+++ b/fs/udf/truncate.c
@@ -88,6 +88,8 @@ void udf_truncate_tail_extent(struct inode *inode)
adsize = sizeof(struct long_ad);
else
BUG();
+ if (!udf_read_extent_cache(inode, inode->i_size, &lbcount, &epos))
+ epos.block = iinfo->i_location;
/* Find the last extent in the file */
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
@@ -139,8 +141,8 @@ void udf_discard_prealloc(struct inode *inode)
adsize = sizeof(struct long_ad);
else
adsize = 0;
-
- epos.block = iinfo->i_location;
+ if (!udf_read_extent_cache(inode, inode->i_size, &lbcount, &epos))
+ epos.block = iinfo->i_location;
/* Find the last extent in the file */
while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) {
--
1.7.9.5
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