i_size_read does more than reading a value, it's best that we use it
only when we need it.
Signed-off-by: Fan li <fanofcode...@samsung.com>
---
fs/f2fs/data.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index d67c599..a9a4d89 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -780,7 +780,7 @@ int f2fs_fiemap(struct inode *inode, struct
fiemap_extent_info *fieinfo,
{
struct buffer_head map_bh;
sector_t start_blk, last_blk;
- loff_t isize = i_size_read(inode);
+ loff_t isize;
u64 logical = 0, phys = 0, size = 0;
u32 flags = 0;
int ret = 0;
@@ -795,6 +795,8 @@ int f2fs_fiemap(struct inode *inode, struct
fiemap_extent_info *fieinfo,
return ret;
}
+ isize = i_size_read(inode);
+
mutex_lock(&inode->i_mutex);
if (start >= isize)
goto out;
--
1.7.9.5
------------------------------------------------------------------------------
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
