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ceph: check mapping to determine if FILE_CACHE cap is used

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See if the i_data mapping has any pages to determine if the FILE_CACHE
capability is currently in use, instead of assuming it is any time the
rdcache_gen value is set (i.e., issued -> used).

This allows the MDS RECALL_STATE process work for inodes that have cached
pages.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-09-17 09:54:08 -07:00
parent e835124c2b
commit a43fb73101
1 changed files with 1 additions and 1 deletions
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2
fs/ceph/caps.c
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@ -814,7 +814,7 @@ int __ceph_caps_used(struct ceph_inode_info *ci)
used |= CEPH_CAP_PIN;
if (ci->i_rd_ref)
used |= CEPH_CAP_FILE_RD;
if (ci->i_rdcache_ref || ci->i_rdcache_gen)
if (ci->i_rdcache_ref || ci->vfs_inode.i_data.nrpages)
used |= CEPH_CAP_FILE_CACHE;
if (ci->i_wr_ref)
used |= CEPH_CAP_FILE_WR;