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ceph: clear dir complete on d_move

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d_move() reorders the d_subdirs list, breaking the readdir result caching.
Unless/until d_move preserves that ordering, clear CEPH_I_COMPLETE on
rename.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-04-16 12:56:11 -07:00
parent 66f41d4c5c
commit c10f5e12ba
1 changed files with 4 additions and 0 deletions
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4
fs/ceph/inode.c
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@ -997,6 +997,10 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
dn, dn->d_name.len, dn->d_name.name); dn, dn->d_name.len, dn->d_name.name);
dout("fill_trace doing d_move %p -> %p\n", dout("fill_trace doing d_move %p -> %p\n",
req->r_old_dentry, dn); req->r_old_dentry, dn);
/* d_move screws up d_subdirs order */
ceph_i_clear(dir, CEPH_I_COMPLETE);
d_move(req->r_old_dentry, dn); d_move(req->r_old_dentry, dn);
dout(" src %p '%.*s' dst %p '%.*s'\n", dout(" src %p '%.*s' dst %p '%.*s'\n",
req->r_old_dentry, req->r_old_dentry,