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authorJiri Kosina <jkosina@suse.cz>2010-08-11 09:36:51 +0200
committerJiri Kosina <jkosina@suse.cz>2010-08-11 09:36:51 +0200
commit6396fc3b3ff3f6b942992b653a62df11dcef9bea (patch)
treedb3c7cbe833b43c653adc99f70941431c5ff7c4e /fs/sysv/itree.c
parent4785879e4d340e24e54f6de2ccfc42728b912808 (diff)
parent3d30701b58970425e1d45994d6cb82f828924fdd (diff)
downloadop-kernel-dev-6396fc3b3ff3f6b942992b653a62df11dcef9bea.zip
op-kernel-dev-6396fc3b3ff3f6b942992b653a62df11dcef9bea.tar.gz
Merge branch 'master' into for-next
Conflicts: fs/exofs/inode.c
Diffstat (limited to 'fs/sysv/itree.c')
-rw-r--r--fs/sysv/itree.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index f042eec..9ca6627 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -459,20 +459,25 @@ static int sysv_readpage(struct file *file, struct page *page)
return block_read_full_page(page,get_block);
}
-int __sysv_write_begin(struct file *file, struct address_space *mapping,
- loff_t pos, unsigned len, unsigned flags,
- struct page **pagep, void **fsdata)
+int sysv_prepare_chunk(struct page *page, loff_t pos, unsigned len)
{
- return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
- get_block);
+ return __block_write_begin(page, pos, len, get_block);
}
static int sysv_write_begin(struct file *file, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
struct page **pagep, void **fsdata)
{
- *pagep = NULL;
- return __sysv_write_begin(file, mapping, pos, len, flags, pagep, fsdata);
+ int ret;
+
+ ret = block_write_begin(mapping, pos, len, flags, pagep, get_block);
+ if (unlikely(ret)) {
+ loff_t isize = mapping->host->i_size;
+ if (pos + len > isize)
+ vmtruncate(mapping->host, isize);
+ }
+
+ return ret;
}
static sector_t sysv_bmap(struct address_space *mapping, sector_t block)
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