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Date: Thu, 17 Feb 2011 23:32:02 +0530
From: "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To: v9fs-developer@...ts.sourceforge.net
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: [PATCH 11/14] fs/9p: Mark directory inode invalid for many directory inode operations
One successfull directory operation we would have changed directory
inode attribute. So mark them invalid
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
---
fs/9p/vfs_inode.c | 22 +++++++++++++++-------
fs/9p/vfs_inode_dotl.c | 23 ++++++++++++++---------
2 files changed, 29 insertions(+), 16 deletions(-)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index e3597eb..27045d9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -498,8 +498,8 @@ v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid,
static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir)
{
int retval;
- struct inode *file_inode;
struct p9_fid *v9fid;
+ struct inode *file_inode;
P9_DPRINTK(P9_DEBUG_VFS, "inode: %p dentry: %p rmdir: %d\n", dir, file,
rmdir);
@@ -520,6 +520,7 @@ static int v9fs_remove(struct inode *dir, struct dentry *file, int rmdir)
drop_nlink(dir);
} else
drop_nlink(file_inode);
+ v9fs_invalidate_inode_attr(dir);
}
return retval;
}
@@ -642,6 +643,7 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
goto error;
}
+ v9fs_invalidate_inode_attr(dir);
/* if we are opening a file, assign the open fid to the file */
if (nd && nd->flags & LOOKUP_OPEN) {
v9inode = V9FS_I(dentry->d_inode);
@@ -707,8 +709,8 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
{
int err;
u32 perm;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid;
+ struct v9fs_session_info *v9ses;
P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name);
err = 0;
@@ -718,8 +720,10 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
fid = NULL;
- } else
+ } else {
inc_nlink(dir);
+ v9fs_invalidate_inode_attr(dir);
+ }
if (fid)
p9_client_clunk(fid);
@@ -830,6 +834,7 @@ int
v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
+ int retval;
struct inode *old_inode;
struct inode *new_inode;
struct v9fs_session_info *v9ses;
@@ -837,7 +842,6 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct p9_fid *olddirfid;
struct p9_fid *newdirfid;
struct p9_wstat wstat;
- int retval;
P9_DPRINTK(P9_DEBUG_VFS, "\n");
retval = 0;
@@ -895,6 +899,8 @@ clunk_newdir:
inc_nlink(new_dir);
drop_nlink(old_dir);
}
+ v9fs_invalidate_inode_attr(old_dir);
+ v9fs_invalidate_inode_attr(new_dir);
/* successful rename */
d_move(old_dentry, new_dentry);
}
@@ -1222,8 +1228,8 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
int mode, const char *extension)
{
u32 perm;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid;
+ struct v9fs_session_info *v9ses;
v9ses = v9fs_inode2v9ses(dir);
if (!v9fs_proto_dotu(v9ses)) {
@@ -1237,6 +1243,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
if (IS_ERR(fid))
return PTR_ERR(fid);
+ v9fs_invalidate_inode_attr(dir);
p9_client_clunk(fid);
return 0;
}
@@ -1273,8 +1280,8 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *dentry)
{
int retval;
- struct p9_fid *oldfid;
char *name;
+ struct p9_fid *oldfid;
P9_DPRINTK(P9_DEBUG_VFS,
" %lu,%s,%s\n", dir->i_ino, dentry->d_name.name,
@@ -1293,7 +1300,8 @@ 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)
+ v9fs_invalidate_inode_attr(dir);
clunk_fid:
p9_client_clunk(oldfid);
return retval;
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 81b2b4f..167959f 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -220,6 +220,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
err);
goto error;
}
+ v9fs_invalidate_inode_attr(dir);
/* instantiate inode and assign the unopened fid to the dentry */
fid = p9_client_walk(dfid, 1, &name, 1);
@@ -383,6 +384,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
/* Now set the ACL based on the default value */
v9fs_set_create_acl(dentry, dacl, pacl);
inc_nlink(dir);
+ v9fs_invalidate_inode_attr(dir);
error:
if (fid)
p9_client_clunk(fid);
@@ -567,14 +569,14 @@ static int
v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
const char *symname)
{
- struct v9fs_session_info *v9ses;
- struct p9_fid *dfid;
- struct p9_fid *fid = NULL;
- struct inode *inode;
- struct p9_qid qid;
- char *name;
int err;
gid_t gid;
+ char *name;
+ struct p9_qid qid;
+ struct inode *inode;
+ struct p9_fid *dfid;
+ struct p9_fid *fid = NULL;
+ struct v9fs_session_info *v9ses;
name = (char *) dentry->d_name.name;
P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_symlink_dotl : %lu,%s,%s\n",
@@ -598,6 +600,7 @@ v9fs_vfs_symlink_dotl(struct inode *dir, struct dentry *dentry,
goto error;
}
+ v9fs_invalidate_inode_attr(dir);
if (v9ses->cache) {
/* Now walk from the parent so we can get an unopened fid. */
fid = p9_client_walk(dfid, 1, &name, 1);
@@ -652,10 +655,10 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
struct dentry *dentry)
{
int err;
- struct p9_fid *dfid, *oldfid;
char *name;
- struct v9fs_session_info *v9ses;
struct dentry *dir_dentry;
+ struct p9_fid *dfid, *oldfid;
+ struct v9fs_session_info *v9ses;
P9_DPRINTK(P9_DEBUG_VFS, "dir ino: %lu, old_name: %s, new_name: %s\n",
dir->i_ino, old_dentry->d_name.name,
@@ -680,6 +683,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
return err;
}
+ v9fs_invalidate_inode_attr(dir);
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
/* Get the latest stat info from server. */
struct p9_fid *fid;
@@ -716,12 +720,12 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
dev_t rdev)
{
int err;
+ gid_t gid;
char *name;
mode_t mode;
struct v9fs_session_info *v9ses;
struct p9_fid *fid = NULL, *dfid = NULL;
struct inode *inode;
- gid_t gid;
struct p9_qid qid;
struct dentry *dir_dentry;
struct posix_acl *dacl = NULL, *pacl = NULL;
@@ -758,6 +762,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
if (err < 0)
goto error;
+ v9fs_invalidate_inode_attr(dir);
/* instantiate inode and assign the unopened fid to the dentry */
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
fid = p9_client_walk(dfid, 1, &name, 1);
--
1.7.1
--
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