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ceph: clean PgPrivate2 on returning from readpages

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In some cases the ceph readapages code code bails without filling all the pages
already marked by fscache. When we return back to readahead code this causes
a BUG.

Signed-off-by: Milosz Tanski <milosz@adfin.com>
This commit is contained in:
Milosz Tanski 2013-08-21 17:30:27 -04:00
parent 99ccbd229c
commit 76be778b3a
2 changed files with 9 additions and 0 deletions
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2
fs/ceph/addr.c
View File

@ -398,6 +398,8 @@ static int ceph_readpages(struct file *file, struct address_space *mapping,
BUG_ON(rc == 0);
}
out:
ceph_fscache_readpages_cancel(inode, page_list);
dout("readpages %p file %p ret %d\n", inode, file, rc);
return rc;
}

7
fs/ceph/cache.h
View File

@ -58,6 +58,13 @@ static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp)
return fscache_maybe_release_page(ci->fscache, page, gfp);
}
static inline void ceph_fscache_readpages_cancel(struct inode *inode,
struct list_head *pages)
{
struct ceph_inode_info *ci = ceph_inode(inode);
return fscache_readpages_cancel(ci->fscache, pages);
}
#else
static inline int ceph_fscache_register(void)