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authorChristoph Hellwig <hch@lst.de>2010-06-04 11:29:55 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-09 16:47:31 -0400
commit282dc178849882289d30e58b54be6b2799b351aa (patch)
tree4c6697cdf2d914889e002f32af6bf51bb2750063 /fs/hpfs
parentea0f04e59543bafb3d2cbe37a0d375acb0bb2c34 (diff)
downloadlinux-linaro-282dc178849882289d30e58b54be6b2799b351aa.tar.gz
get rid of cont_write_begin_newtrunc
Move the call to vmtruncate to get rid of accessive blocks to the callers in preparation of the new truncate sequence and rename the non-truncating version to cont_write_begin. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hpfs')
-rw-r--r--fs/hpfs/file.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index a9ae9bfa752..c0340887c7e 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -97,10 +97,19 @@ static int hpfs_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
+ int ret;
+
*pagep = NULL;
- return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+ ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
hpfs_get_block,
&hpfs_i(mapping->host)->mmu_private);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block)