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path: root/fs/9p/vfs_inode_dotl.c
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Diffstat (limited to 'fs/9p/vfs_inode_dotl.c')
-rw-r--r--fs/9p/vfs_inode_dotl.c35
1 files changed, 29 insertions, 6 deletions
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 0028eccb665a..823c2eb5f1bf 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -296,6 +296,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
/* instantiate inode and assign the unopened fid to the dentry */
fid = p9_client_walk(dfid, 1, &name, 1);
+ p9_client_clunk(dfid);
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
@@ -342,6 +343,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
file->private_data = ofid;
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
v9fs_cache_inode_set_cookie(inode, file);
+ v9fs_open_fid_add(inode, ofid);
file->f_mode |= FMODE_CREATED;
out:
v9fs_put_acl(dacl, pacl);
@@ -407,7 +409,6 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid);
if (err < 0)
goto error;
-
fid = p9_client_walk(dfid, 1, &name, 1);
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
@@ -451,6 +452,7 @@ error:
if (fid)
p9_client_clunk(fid);
v9fs_put_acl(dacl, pacl);
+ p9_client_clunk(dfid);
return err;
}
@@ -478,6 +480,7 @@ v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
*/
st = p9_client_getattr_dotl(fid, P9_STATS_ALL);
+ p9_client_clunk(fid);
if (IS_ERR(st))
return PTR_ERR(st);
@@ -539,7 +542,7 @@ static int v9fs_mapped_iattr_valid(int iattr_valid)
int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
{
- int retval;
+ int retval, use_dentry = 0;
struct p9_fid *fid = NULL;
struct p9_iattr_dotl p9attr;
struct inode *inode = d_inode(dentry);
@@ -564,8 +567,10 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
fid = iattr->ia_file->private_data;
WARN_ON(!fid);
}
- if (!fid)
+ if (!fid) {
fid = v9fs_fid_lookup(dentry);
+ use_dentry = 1;
+ }
if (IS_ERR(fid))
return PTR_ERR(fid);
@@ -574,8 +579,11 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
filemap_write_and_wait(inode->i_mapping);
retval = p9_client_setattr(fid, &p9attr);
- if (retval < 0)
+ if (retval < 0) {
+ if (use_dentry)
+ p9_client_clunk(fid);
return retval;
+ }
if ((iattr->ia_valid & ATTR_SIZE) &&
iattr->ia_size != i_size_read(inode))
@@ -587,9 +595,15 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
if (iattr->ia_valid & ATTR_MODE) {
/* We also want to update ACL when we update mode bits */
retval = v9fs_acl_chmod(inode, fid);
- if (retval < 0)
+ if (retval < 0) {
+ if (use_dentry)
+ p9_client_clunk(fid);
return retval;
+ }
}
+ if (use_dentry)
+ p9_client_clunk(fid);
+
return 0;
}
@@ -741,6 +755,7 @@ error:
if (fid)
p9_client_clunk(fid);
+ p9_client_clunk(dfid);
return err;
}
@@ -769,11 +784,15 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
return PTR_ERR(dfid);
oldfid = v9fs_fid_lookup(old_dentry);
- if (IS_ERR(oldfid))
+ if (IS_ERR(oldfid)) {
+ p9_client_clunk(dfid);
return PTR_ERR(oldfid);
+ }
err = p9_client_link(dfid, oldfid, dentry->d_name.name);
+ p9_client_clunk(dfid);
+ p9_client_clunk(oldfid);
if (err < 0) {
p9_debug(P9_DEBUG_VFS, "p9_client_link failed %d\n", err);
return err;
@@ -788,6 +807,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
return PTR_ERR(fid);
v9fs_refresh_inode_dotl(fid, d_inode(old_dentry));
+ p9_client_clunk(fid);
}
ihold(d_inode(old_dentry));
d_instantiate(dentry, d_inode(old_dentry));
@@ -886,6 +906,8 @@ error:
if (fid)
p9_client_clunk(fid);
v9fs_put_acl(dacl, pacl);
+ p9_client_clunk(dfid);
+
return err;
}
@@ -914,6 +936,7 @@ v9fs_vfs_get_link_dotl(struct dentry *dentry,
if (IS_ERR(fid))
return ERR_CAST(fid);
retval = p9_client_readlink(fid, &target);
+ p9_client_clunk(fid);
if (retval)
return ERR_PTR(retval);
set_delayed_call(done, kfree_link, target);