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fs/9p: Properly update inode attributes on link

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With caching enabled, we need to make sure we don't
update inode->i_size via stat2inode because we could
have dirty data which is not yet written to the server

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V 2011-02-28 17:04:09 +05:30 committed by Eric Van Hensbergen
parent e0459f57b8
commit c06c066a08
2 changed files with 4 additions and 10 deletions
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4
fs/9p/vfs_inode.c
View file

@ -1292,8 +1292,10 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
sprintf(name, "%d\n", oldfid->fid);
retval = v9fs_vfs_mkspecial(dir, dentry, P9_DMLINK, name);
__putname(name);
if (!retval)
if (!retval) {
v9fs_refresh_inode(oldfid, old_dentry->d_inode);
v9fs_invalidate_inode_attr(dir);
}
clunk_fid:
p9_client_clunk(oldfid);
return retval;

10
fs/9p/vfs_inode_dotl.c
View file

@ -671,19 +671,11 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
/* Get the latest stat info from server. */
struct p9_fid *fid;
struct p9_stat_dotl *st;
fid = v9fs_fid_lookup(old_dentry);
if (IS_ERR(fid))
return PTR_ERR(fid);
st = p9_client_getattr_dotl(fid, P9_STATS_BASIC);
if (IS_ERR(st))
return PTR_ERR(st);
v9fs_stat2inode_dotl(st, old_dentry->d_inode);
kfree(st);
v9fs_refresh_inode_dotl(fid, old_dentry->d_inode);
}
ihold(old_dentry->d_inode);
d_instantiate(dentry, old_dentry->d_inode);