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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2006-01-08 01:02:14 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:13:47 -0800
commit28fd129827b00e12829d48a5290f46277600619b (patch)
tree38e50e1b88965fec41ea5b36aa557fb5c2b1ca73 /fs/xfs/linux-2.6/xfs_fs_subr.c
parent05eb0b51fb46430050d5873458612f53e0234f2e (diff)
[PATCH] Fix and add EXPORT_SYMBOL(filemap_write_and_wait)
This patch add EXPORT_SYMBOL(filemap_write_and_wait) and use it. See mm/filemap.c: And changes the filemap_write_and_wait() and filemap_write_and_wait_range(). Current filemap_write_and_wait() doesn't wait if filemap_fdatawrite() returns error. However, even if filemap_fdatawrite() returned an error, it may have submitted the partially data pages to the device. (e.g. in the case of -ENOSPC) <quotation> Andrew Morton writes, If filemap_fdatawrite() returns an error, this might be due to some I/O problem: dead disk, unplugged cable, etc. Given the generally crappy quality of the kernel's handling of such exceptions, there's a good chance that the filemap_fdatawait() will get stuck in D state forever. </quotation> So, this patch doesn't wait if filemap_fdatawrite() returns the -EIO. Trond, could you please review the nfs part? Especially I'm not sure, nfs must use the "filemap_fdatawrite(inode->i_mapping) == 0", or not. Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_fs_subr.c')
-rw-r--r--fs/xfs/linux-2.6/xfs_fs_subr.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index f89340c61bf..4fa4b1a5187 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -79,8 +79,7 @@ fs_flushinval_pages(
struct inode *ip = LINVFS_GET_IP(vp);
if (VN_CACHED(vp)) {
- filemap_fdatawrite(ip->i_mapping);
- filemap_fdatawait(ip->i_mapping);
+ filemap_write_and_wait(ip->i_mapping);
truncate_inode_pages(ip->i_mapping, first);
}