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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 18:13:56 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 18:13:56 +0200 |
| commit | e758936e02700ff88a0b08b722a3847b95283ef2 (patch) | |
| tree | 50c919bef1b459a778b85159d5929de95b6c4a01 /mm/filemap.c | |
| parent | Fix autoloading of MacBook Pro backlight driver. (diff) | |
| parent | MAINTAINERS: remove colon from headings (diff) | |
| download | linux-e758936e02700ff88a0b08b722a3847b95283ef2.tar.xz linux-e758936e02700ff88a0b08b722a3847b95283ef2.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-x86/statfs.h
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 54e968650855..876bc595d0f8 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2129,13 +2129,20 @@ generic_file_direct_write(struct kiocb *iocb, const struct iovec *iov, * After a write we want buffered reads to be sure to go to disk to get * the new data. We invalidate clean cached page from the region we're * about to write. We do this *before* the write so that we can return - * -EIO without clobbering -EIOCBQUEUED from ->direct_IO(). + * without clobbering -EIOCBQUEUED from ->direct_IO(). */ if (mapping->nrpages) { written = invalidate_inode_pages2_range(mapping, pos >> PAGE_CACHE_SHIFT, end); - if (written) + /* + * If a page can not be invalidated, return 0 to fall back + * to buffered write. + */ + if (written) { + if (written == -EBUSY) + return 0; goto out; + } } written = mapping->a_ops->direct_IO(WRITE, iocb, iov, pos, *nr_segs); |