diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 07:29:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 07:29:15 -0700 |
| commit | 677abe49ad017679627af9d3bbd9a7ecb3d94c42 (patch) | |
| tree | 7cdb7fbc95b51b288e923a3978e17ed2207a4118 /fs/gfs2/aops.c | |
| parent | e90e4d9234c953b29267cc4fc9ad804128773313 (diff) | |
| parent | 6a99be5d7b5973767b1ffa4fa68fed0738589c99 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw:
GFS2: Fix typo
GFS2: stuck in inode wait, no glocks stuck
GFS2: Eliminate useless err variable
GFS2: Fix writing to non-page aligned gfs2_quota structures
GFS2: Add some useful messages
GFS2: fix quota state reporting
GFS2: Various gfs2_logd improvements
GFS2: glock livelock
GFS2: Clean up stuffed file copying
GFS2: docs update
GFS2: Remove space from slab cache name
Diffstat (limited to 'fs/gfs2/aops.c')
| -rw-r--r-- | fs/gfs2/aops.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 0c1d0b82dcf..a739a0a4806 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -418,6 +418,7 @@ static int gfs2_jdata_writepages(struct address_space *mapping, static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) { struct buffer_head *dibh; + u64 dsize = i_size_read(&ip->i_inode); void *kaddr; int error; @@ -437,9 +438,10 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) return error; kaddr = kmap_atomic(page, KM_USER0); - memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), - ip->i_disksize); - memset(kaddr + ip->i_disksize, 0, PAGE_CACHE_SIZE - ip->i_disksize); + if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode))) + dsize = (dibh->b_size - sizeof(struct gfs2_dinode)); + memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize); + memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize); kunmap_atomic(kaddr, KM_USER0); flush_dcache_page(page); brelse(dibh); |