diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-05 18:56:57 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 18:56:57 +0200 |
commit | 616ad8c44281c0c6711a72b560e01ec335ff27e0 (patch) | |
tree | 0a20453ffedb09db6fb41a0c2208ccc2c7751d3a /mm/filemap.c | |
parent | 99809963c99e1ed868d9ebeb4a5e7ee1cbe0309f (diff) | |
parent | b380b0d4f7dffcc235c0facefa537d4655619101 (diff) |
Merge branch 'linus' into x86/defconfig
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 54e96865085..876bc595d0f 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); |