Merge branch 'master' into devel and apply fixup from Stephen Rothwell:
vfs/nfs: fixup for nfs_open_context change
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/cache_lib.c b/fs/nfs/cache_lib.c
index 8469031..c98b439 100644
--- a/fs/nfs/cache_lib.c
+++ b/fs/nfs/cache_lib.c
@@ -113,19 +113,18 @@
int nfs_cache_register(struct cache_detail *cd)
{
- struct nameidata nd;
struct vfsmount *mnt;
+ struct path path;
int ret;
mnt = rpc_get_mount();
if (IS_ERR(mnt))
return PTR_ERR(mnt);
- ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &nd);
+ ret = vfs_path_lookup(mnt->mnt_root, mnt, "/cache", 0, &path);
if (ret)
goto err;
- ret = sunrpc_cache_register_pipefs(nd.path.dentry,
- cd->name, 0600, cd);
- path_put(&nd.path);
+ ret = sunrpc_cache_register_pipefs(path.dentry, cd->name, 0600, cd);
+ path_put(&path);
if (!ret)
return ret;
err:
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ededdbd..57f578e 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -56,7 +56,7 @@
static int nfs_mknod(struct inode *, struct dentry *, int, dev_t);
static int nfs_rename(struct inode *, struct dentry *,
struct inode *, struct dentry *);
-static int nfs_fsync_dir(struct file *, int);
+static int nfs_fsync_dir(struct file *, loff_t, loff_t, int);
static loff_t nfs_llseek_dir(struct file *, loff_t, int);
static void nfs_readdir_clear_array(struct page*);
@@ -945,15 +945,19 @@
* All directory operations under NFS are synchronous, so fsync()
* is a dummy operation.
*/
-static int nfs_fsync_dir(struct file *filp, int datasync)
+static int nfs_fsync_dir(struct file *filp, loff_t start, loff_t end,
+ int datasync)
{
struct dentry *dentry = filp->f_path.dentry;
+ struct inode *inode = dentry->d_inode;
dfprintk(FILE, "NFS: fsync dir(%s/%s) datasync %d\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
datasync);
+ mutex_lock(&inode->i_mutex);
nfs_inc_stats(dentry->d_inode, NFSIOS_VFSFSYNC);
+ mutex_unlock(&inode->i_mutex);
return 0;
}
@@ -997,14 +1001,12 @@
* Return the intent data that applies to this particular path component
*
* Note that the current set of intents only apply to the very last
- * component of the path.
- * We check for this using LOOKUP_CONTINUE and LOOKUP_PARENT.
+ * component of the path and none of them is set before that last
+ * component.
*/
static inline unsigned int nfs_lookup_check_intent(struct nameidata *nd,
unsigned int mask)
{
- if (nd->flags & (LOOKUP_CONTINUE|LOOKUP_PARENT))
- return 0;
return nd->flags & mask;
}
@@ -1338,25 +1340,31 @@
return 0;
/* Are we trying to write to a read only partition? */
if (__mnt_is_readonly(nd->path.mnt) &&
- (nd->intent.open.flags & (O_CREAT|O_TRUNC|FMODE_WRITE)))
+ (nd->intent.open.flags & (O_CREAT|O_TRUNC|O_ACCMODE)))
return 0;
return 1;
}
-static struct nfs_open_context *nameidata_to_nfs_open_context(struct dentry *dentry, struct nameidata *nd)
+static fmode_t flags_to_mode(int flags)
{
- struct path path = {
- .mnt = nd->path.mnt,
- .dentry = dentry,
- };
+ fmode_t res = (__force fmode_t)flags & FMODE_EXEC;
+ if ((flags & O_ACCMODE) != O_WRONLY)
+ res |= FMODE_READ;
+ if ((flags & O_ACCMODE) != O_RDONLY)
+ res |= FMODE_WRITE;
+ return res;
+}
+
+static struct nfs_open_context *create_nfs_open_context(struct dentry *dentry, int open_flags)
+{
struct nfs_open_context *ctx;
struct rpc_cred *cred;
- fmode_t fmode = nd->intent.open.flags & (FMODE_READ | FMODE_WRITE | FMODE_EXEC);
+ fmode_t fmode = flags_to_mode(open_flags);
cred = rpc_lookup_cred();
if (IS_ERR(cred))
return ERR_CAST(cred);
- ctx = alloc_nfs_open_context(&path, cred, fmode);
+ ctx = alloc_nfs_open_context(dentry, cred, fmode);
put_rpccred(cred);
if (ctx == NULL)
return ERR_PTR(-ENOMEM);
@@ -1376,13 +1384,13 @@
/* If the open_intent is for execute, we have an extra check to make */
if (ctx->mode & FMODE_EXEC) {
- ret = nfs_may_open(ctx->path.dentry->d_inode,
+ ret = nfs_may_open(ctx->dentry->d_inode,
ctx->cred,
nd->intent.open.flags);
if (ret < 0)
goto out;
}
- filp = lookup_instantiate_filp(nd, ctx->path.dentry, do_open);
+ filp = lookup_instantiate_filp(nd, ctx->dentry, do_open);
if (IS_ERR(filp))
ret = PTR_ERR(filp);
else
@@ -1420,12 +1428,13 @@
goto out;
}
- ctx = nameidata_to_nfs_open_context(dentry, nd);
+ open_flags = nd->intent.open.flags;
+
+ ctx = create_nfs_open_context(dentry, open_flags);
res = ERR_CAST(ctx);
if (IS_ERR(ctx))
goto out;
- open_flags = nd->intent.open.flags;
if (nd->flags & LOOKUP_CREATE) {
attr.ia_mode = nd->intent.open.create_mode;
attr.ia_valid = ATTR_MODE;
@@ -1463,8 +1472,8 @@
res = d_add_unique(dentry, inode);
nfs_unblock_sillyrename(dentry->d_parent);
if (res != NULL) {
- dput(ctx->path.dentry);
- ctx->path.dentry = dget(res);
+ dput(ctx->dentry);
+ ctx->dentry = dget(res);
dentry = res;
}
err = nfs_intent_set_file(nd, ctx);
@@ -1517,7 +1526,7 @@
/* We can't create new files, or truncate existing ones here */
openflags &= ~(O_CREAT|O_EXCL|O_TRUNC);
- ctx = nameidata_to_nfs_open_context(dentry, nd);
+ ctx = create_nfs_open_context(dentry, openflags);
ret = PTR_ERR(ctx);
if (IS_ERR(ctx))
goto out;
@@ -1570,7 +1579,7 @@
struct nfs_open_context *ctx = NULL;
struct iattr attr;
int error;
- int open_flags = 0;
+ int open_flags = O_CREAT|O_EXCL;
dfprintk(VFS, "NFS: create(%s/%ld), %s\n",
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
@@ -1578,27 +1587,27 @@
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
- if ((nd->flags & LOOKUP_CREATE) != 0) {
+ if (nd)
open_flags = nd->intent.open.flags;
- ctx = nameidata_to_nfs_open_context(dentry, nd);
- error = PTR_ERR(ctx);
- if (IS_ERR(ctx))
- goto out_err_drop;
- }
+ ctx = create_nfs_open_context(dentry, open_flags);
+ error = PTR_ERR(ctx);
+ if (IS_ERR(ctx))
+ goto out_err_drop;
error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, ctx);
if (error != 0)
goto out_put_ctx;
- if (ctx != NULL) {
+ if (nd) {
error = nfs_intent_set_file(nd, ctx);
if (error < 0)
goto out_err;
+ } else {
+ put_nfs_open_context(ctx);
}
return 0;
out_put_ctx:
- if (ctx != NULL)
- put_nfs_open_context(ctx);
+ put_nfs_open_context(ctx);
out_err_drop:
d_drop(dentry);
out_err:
@@ -1660,7 +1669,7 @@
{
struct iattr attr;
int error;
- int open_flags = 0;
+ int open_flags = O_CREAT|O_EXCL;
dfprintk(VFS, "NFS: create(%s/%ld), %s\n",
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
@@ -1668,7 +1677,7 @@
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
- if ((nd->flags & LOOKUP_CREATE) != 0)
+ if (nd)
open_flags = nd->intent.open.flags;
error = NFS_PROTO(dir)->create(dir, dentry, &attr, open_flags, NULL);
@@ -2259,11 +2268,11 @@
{
int mask = 0;
- if (openflags & FMODE_READ)
+ if ((openflags & O_ACCMODE) != O_WRONLY)
mask |= MAY_READ;
- if (openflags & FMODE_WRITE)
+ if ((openflags & O_ACCMODE) != O_RDONLY)
mask |= MAY_WRITE;
- if (openflags & FMODE_EXEC)
+ if (openflags & __FMODE_EXEC)
mask |= MAY_EXEC;
return mask;
}
@@ -2273,12 +2282,12 @@
return nfs_do_access(inode, cred, nfs_open_permission_mask(openflags));
}
-int nfs_permission(struct inode *inode, int mask, unsigned int flags)
+int nfs_permission(struct inode *inode, int mask)
{
struct rpc_cred *cred;
int res = 0;
- if (flags & IPERM_FLAG_RCU)
+ if (mask & MAY_NOT_BLOCK)
return -ECHILD;
nfs_inc_stats(inode, NFSIOS_VFSACCESS);
@@ -2328,7 +2337,7 @@
out_notsup:
res = nfs_revalidate_inode(NFS_SERVER(inode), inode);
if (res == 0)
- res = generic_permission(inode, mask, flags, NULL);
+ res = generic_permission(inode, mask);
goto out;
}
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 8eea253..b35d25b 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -284,7 +284,7 @@
loff_t pos)
{
struct nfs_open_context *ctx = dreq->ctx;
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode = ctx->dentry->d_inode;
unsigned long user_addr = (unsigned long)iov->iov_base;
size_t count = iov->iov_len;
size_t rsize = NFS_SERVER(inode)->rsize;
@@ -715,7 +715,7 @@
loff_t pos, int sync)
{
struct nfs_open_context *ctx = dreq->ctx;
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode = ctx->dentry->d_inode;
unsigned long user_addr = (unsigned long)iov->iov_base;
size_t count = iov->iov_len;
struct rpc_task *task;
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 2f093ed..28b8c3f 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -55,7 +55,7 @@
static ssize_t nfs_file_write(struct kiocb *, const struct iovec *iov,
unsigned long nr_segs, loff_t pos);
static int nfs_file_flush(struct file *, fl_owner_t id);
-static int nfs_file_fsync(struct file *, int datasync);
+static int nfs_file_fsync(struct file *, loff_t, loff_t, int datasync);
static int nfs_check_flags(int flags);
static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
@@ -187,8 +187,11 @@
filp->f_path.dentry->d_name.name,
offset, origin);
- /* origin == SEEK_END => we must revalidate the cached file length */
- if (origin == SEEK_END) {
+ /*
+ * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
+ * the cached file length
+ */
+ if (origin != SEEK_SET || origin != SEEK_CUR) {
struct inode *inode = filp->f_mapping->host;
int retval = nfs_revalidate_file_size(inode, filp);
@@ -305,7 +308,7 @@
* fall back to doing a synchronous write.
*/
static int
-nfs_file_fsync(struct file *file, int datasync)
+nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
{
struct dentry *dentry = file->f_path.dentry;
struct nfs_open_context *ctx = nfs_file_open_context(file);
@@ -313,11 +316,15 @@
int have_error, status;
int ret = 0;
-
dprintk("NFS: fsync file(%s/%s) datasync %d\n",
dentry->d_parent->d_name.name, dentry->d_name.name,
datasync);
+ ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ if (ret)
+ return ret;
+ mutex_lock(&inode->i_mutex);
+
nfs_inc_stats(inode, NFSIOS_VFSFSYNC);
have_error = test_and_clear_bit(NFS_CONTEXT_ERROR_WRITE, &ctx->flags);
status = nfs_commit_inode(inode, FLUSH_SYNC);
@@ -329,6 +336,7 @@
if (!ret && !datasync)
/* application has asked for meta-data sync */
ret = pnfs_layoutcommit_inode(inode, true);
+ mutex_unlock(&inode->i_mutex);
return ret;
}
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index ce153a6..419119c 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -259,12 +259,10 @@
dfprintk(FSCACHE,
"NFS: nfsi 0x%p turning cache off\n", NFS_I(inode));
- /* Need to invalidate any mapped pages that were read in before
- * turning off the cache.
+ /* Need to uncache any pages attached to this inode that
+ * fscache knows about before turning off the cache.
*/
- if (inode->i_mapping && inode->i_mapping->nrpages)
- invalidate_inode_pages2(inode->i_mapping);
-
+ fscache_uncache_all_inode_pages(NFS_I(inode)->fscache, inode);
nfs_fscache_zap_inode_cookie(inode);
}
}
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 6f4850d..fe12037 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -567,7 +567,7 @@
struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx)
{
struct nfs_lock_context *res, *new = NULL;
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode = ctx->dentry->d_inode;
spin_lock(&inode->i_lock);
res = __nfs_find_lock_context(ctx);
@@ -594,7 +594,7 @@
void nfs_put_lock_context(struct nfs_lock_context *l_ctx)
{
struct nfs_open_context *ctx = l_ctx->open_context;
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode = ctx->dentry->d_inode;
if (!atomic_dec_and_lock(&l_ctx->count, &inode->i_lock))
return;
@@ -620,7 +620,7 @@
return;
if (!is_sync)
return;
- inode = ctx->path.dentry->d_inode;
+ inode = ctx->dentry->d_inode;
if (!list_empty(&NFS_I(inode)->open_files))
return;
server = NFS_SERVER(inode);
@@ -629,14 +629,14 @@
nfs_revalidate_inode(server, inode);
}
-struct nfs_open_context *alloc_nfs_open_context(struct path *path, struct rpc_cred *cred, fmode_t f_mode)
+struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred, fmode_t f_mode)
{
struct nfs_open_context *ctx;
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
if (ctx != NULL) {
- ctx->path = *path;
- path_get(&ctx->path);
+ nfs_sb_active(dentry->d_sb);
+ ctx->dentry = dget(dentry);
ctx->cred = get_rpccred(cred);
ctx->state = NULL;
ctx->mode = f_mode;
@@ -658,7 +658,8 @@
static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync)
{
- struct inode *inode = ctx->path.dentry->d_inode;
+ struct inode *inode = ctx->dentry->d_inode;
+ struct super_block *sb = ctx->dentry->d_sb;
if (!list_empty(&ctx->list)) {
if (!atomic_dec_and_lock(&ctx->lock_context.count, &inode->i_lock))
@@ -671,7 +672,8 @@
NFS_PROTO(inode)->close_context(ctx, is_sync);
if (ctx->cred != NULL)
put_rpccred(ctx->cred);
- path_put(&ctx->path);
+ dput(ctx->dentry);
+ nfs_sb_deactive(sb);
kfree(ctx);
}
@@ -741,7 +743,7 @@
cred = rpc_lookup_cred();
if (IS_ERR(cred))
return PTR_ERR(cred);
- ctx = alloc_nfs_open_context(&filp->f_path, cred, filp->f_mode);
+ ctx = alloc_nfs_open_context(filp->f_path.dentry, cred, filp->f_mode);
put_rpccred(cred);
if (ctx == NULL)
return -ENOMEM;
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index c30aed2..1909ee8 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -241,7 +241,7 @@
extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *);
-extern int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc);
+extern int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc);
extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle);
extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
struct nfs4_fs_locations *fs_locations, struct page *page);
@@ -344,8 +344,8 @@
extern void nfs4_put_state_owner(struct nfs4_state_owner *);
extern struct nfs4_state * nfs4_get_open_state(struct inode *, struct nfs4_state_owner *);
extern void nfs4_put_open_state(struct nfs4_state *);
-extern void nfs4_close_state(struct path *, struct nfs4_state *, fmode_t);
-extern void nfs4_close_sync(struct path *, struct nfs4_state *, fmode_t);
+extern void nfs4_close_state(struct nfs4_state *, fmode_t);
+extern void nfs4_close_sync(struct nfs4_state *, fmode_t);
extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t);
extern void nfs4_schedule_lease_recovery(struct nfs_client *);
extern void nfs4_schedule_state_manager(struct nfs_client *);
@@ -378,8 +378,8 @@
#else
-#define nfs4_close_state(a, b, c) do { } while (0)
-#define nfs4_close_sync(a, b, c) do { } while (0)
+#define nfs4_close_state(a, b) do { } while (0)
+#define nfs4_close_sync(a, b) do { } while (0)
#endif /* CONFIG_NFS_V4 */
#endif /* __LINUX_FS_NFS_NFS4_FS.H */
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 93ef776..079614d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -766,8 +766,8 @@
struct nfs_open_confirmres c_res;
struct nfs_fattr f_attr;
struct nfs_fattr dir_attr;
- struct path path;
struct dentry *dir;
+ struct dentry *dentry;
struct nfs4_state_owner *owner;
struct nfs4_state *state;
struct iattr attrs;
@@ -789,12 +789,12 @@
nfs_fattr_init(&p->dir_attr);
}
-static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
+static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
struct nfs4_state_owner *sp, fmode_t fmode, int flags,
const struct iattr *attrs,
gfp_t gfp_mask)
{
- struct dentry *parent = dget_parent(path->dentry);
+ struct dentry *parent = dget_parent(dentry);
struct inode *dir = parent->d_inode;
struct nfs_server *server = NFS_SERVER(dir);
struct nfs4_opendata *p;
@@ -805,8 +805,8 @@
p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid, gfp_mask);
if (p->o_arg.seqid == NULL)
goto err_free;
- path_get(path);
- p->path = *path;
+ nfs_sb_active(dentry->d_sb);
+ p->dentry = dget(dentry);
p->dir = parent;
p->owner = sp;
atomic_inc(&sp->so_count);
@@ -815,7 +815,7 @@
p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE);
p->o_arg.clientid = server->nfs_client->cl_clientid;
p->o_arg.id = sp->so_owner_id.id;
- p->o_arg.name = &p->path.dentry->d_name;
+ p->o_arg.name = &dentry->d_name;
p->o_arg.server = server;
p->o_arg.bitmask = server->attr_bitmask;
p->o_arg.claim = NFS4_OPEN_CLAIM_NULL;
@@ -845,13 +845,15 @@
{
struct nfs4_opendata *p = container_of(kref,
struct nfs4_opendata, kref);
+ struct super_block *sb = p->dentry->d_sb;
nfs_free_seqid(p->o_arg.seqid);
if (p->state != NULL)
nfs4_put_open_state(p->state);
nfs4_put_state_owner(p->owner);
dput(p->dir);
- path_put(&p->path);
+ dput(p->dentry);
+ nfs_sb_deactive(sb);
kfree(p);
}
@@ -1133,7 +1135,7 @@
{
struct nfs4_opendata *opendata;
- opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, 0, NULL, GFP_NOFS);
+ opendata = nfs4_opendata_alloc(ctx->dentry, state->owner, 0, 0, NULL, GFP_NOFS);
if (opendata == NULL)
return ERR_PTR(-ENOMEM);
opendata->state = state;
@@ -1157,7 +1159,7 @@
newstate = nfs4_opendata_to_nfs4_state(opendata);
if (IS_ERR(newstate))
return PTR_ERR(newstate);
- nfs4_close_state(&opendata->path, newstate, fmode);
+ nfs4_close_state(newstate, fmode);
*res = newstate;
return 0;
}
@@ -1355,7 +1357,7 @@
goto out_free;
state = nfs4_opendata_to_nfs4_state(data);
if (!IS_ERR(state))
- nfs4_close_state(&data->path, state, data->o_arg.fmode);
+ nfs4_close_state(state, data->o_arg.fmode);
out_free:
nfs4_opendata_put(data);
}
@@ -1500,7 +1502,7 @@
goto out_free;
state = nfs4_opendata_to_nfs4_state(data);
if (!IS_ERR(state))
- nfs4_close_state(&data->path, state, data->o_arg.fmode);
+ nfs4_close_state(state, data->o_arg.fmode);
out_free:
nfs4_opendata_put(data);
}
@@ -1651,7 +1653,7 @@
return PTR_ERR(opendata);
ret = nfs4_open_recover(opendata, state);
if (ret == -ESTALE)
- d_drop(ctx->path.dentry);
+ d_drop(ctx->dentry);
nfs4_opendata_put(opendata);
return ret;
}
@@ -1723,7 +1725,7 @@
/*
* Returns a referenced nfs4_state
*/
-static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res)
+static int _nfs4_do_open(struct inode *dir, struct dentry *dentry, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred, struct nfs4_state **res)
{
struct nfs4_state_owner *sp;
struct nfs4_state *state = NULL;
@@ -1740,15 +1742,15 @@
status = nfs4_recover_expired_lease(server);
if (status != 0)
goto err_put_state_owner;
- if (path->dentry->d_inode != NULL)
- nfs4_return_incompatible_delegation(path->dentry->d_inode, fmode);
+ if (dentry->d_inode != NULL)
+ nfs4_return_incompatible_delegation(dentry->d_inode, fmode);
status = -ENOMEM;
- opendata = nfs4_opendata_alloc(path, sp, fmode, flags, sattr, GFP_KERNEL);
+ opendata = nfs4_opendata_alloc(dentry, sp, fmode, flags, sattr, GFP_KERNEL);
if (opendata == NULL)
goto err_put_state_owner;
- if (path->dentry->d_inode != NULL)
- opendata->state = nfs4_get_open_state(path->dentry->d_inode, sp);
+ if (dentry->d_inode != NULL)
+ opendata->state = nfs4_get_open_state(dentry->d_inode, sp);
status = _nfs4_proc_open(opendata);
if (status != 0)
@@ -1786,14 +1788,14 @@
}
-static struct nfs4_state *nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred)
+static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry, fmode_t fmode, int flags, struct iattr *sattr, struct rpc_cred *cred)
{
struct nfs4_exception exception = { };
struct nfs4_state *res;
int status;
do {
- status = _nfs4_do_open(dir, path, fmode, flags, sattr, cred, &res);
+ status = _nfs4_do_open(dir, dentry, fmode, flags, sattr, cred, &res);
if (status == 0)
break;
/* NOTE: BAD_SEQID means the server and client disagree about the
@@ -1890,7 +1892,6 @@
}
struct nfs4_closedata {
- struct path path;
struct inode *inode;
struct nfs4_state *state;
struct nfs_closeargs arg;
@@ -1905,13 +1906,14 @@
{
struct nfs4_closedata *calldata = data;
struct nfs4_state_owner *sp = calldata->state->owner;
+ struct super_block *sb = calldata->state->inode->i_sb;
if (calldata->roc)
pnfs_roc_release(calldata->state->inode);
nfs4_put_open_state(calldata->state);
nfs_free_seqid(calldata->arg.seqid);
nfs4_put_state_owner(sp);
- path_put(&calldata->path);
+ nfs_sb_deactive(sb);
kfree(calldata);
}
@@ -2031,7 +2033,7 @@
*
* NOTE: Caller must be holding the sp->so_owner semaphore!
*/
-int nfs4_do_close(struct path *path, struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc)
+int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc)
{
struct nfs_server *server = NFS_SERVER(state->inode);
struct nfs4_closedata *calldata;
@@ -2067,8 +2069,7 @@
calldata->res.seqid = calldata->arg.seqid;
calldata->res.server = server;
calldata->roc = roc;
- path_get(path);
- calldata->path = *path;
+ nfs_sb_active(calldata->inode->i_sb);
msg.rpc_argp = &calldata->arg;
msg.rpc_resp = &calldata->res;
@@ -2097,7 +2098,7 @@
struct nfs4_state *state;
/* Protect against concurrent sillydeletes */
- state = nfs4_do_open(dir, &ctx->path, ctx->mode, open_flags, attr, ctx->cred);
+ state = nfs4_do_open(dir, ctx->dentry, ctx->mode, open_flags, attr, ctx->cred);
if (IS_ERR(state))
return ERR_CAST(state);
ctx->state = state;
@@ -2109,9 +2110,9 @@
if (ctx->state == NULL)
return;
if (is_sync)
- nfs4_close_sync(&ctx->path, ctx->state, ctx->mode);
+ nfs4_close_sync(ctx->state, ctx->mode);
else
- nfs4_close_state(&ctx->path, ctx->state, ctx->mode);
+ nfs4_close_state(ctx->state, ctx->mode);
}
static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle)
@@ -2634,10 +2635,7 @@
nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags, struct nfs_open_context *ctx)
{
- struct path my_path = {
- .dentry = dentry,
- };
- struct path *path = &my_path;
+ struct dentry *de = dentry;
struct nfs4_state *state;
struct rpc_cred *cred = NULL;
fmode_t fmode = 0;
@@ -2645,11 +2643,11 @@
if (ctx != NULL) {
cred = ctx->cred;
- path = &ctx->path;
+ de = ctx->dentry;
fmode = ctx->mode;
}
sattr->ia_mode &= ~current_umask();
- state = nfs4_do_open(dir, path, fmode, flags, sattr, cred);
+ state = nfs4_do_open(dir, de, fmode, flags, sattr, cred);
d_drop(dentry);
if (IS_ERR(state)) {
status = PTR_ERR(state);
@@ -2660,7 +2658,7 @@
if (ctx != NULL)
ctx->state = state;
else
- nfs4_close_sync(path, state, fmode);
+ nfs4_close_sync(state, fmode);
out:
return status;
}
@@ -4312,7 +4310,7 @@
memcpy(data->lsp->ls_stateid.data, data->res.stateid.data,
sizeof(data->lsp->ls_stateid.data));
data->lsp->ls_flags |= NFS_LOCK_INITIALIZED;
- renew_lease(NFS_SERVER(data->ctx->path.dentry->d_inode), data->timestamp);
+ renew_lease(NFS_SERVER(data->ctx->dentry->d_inode), data->timestamp);
}
out:
dprintk("%s: done, ret = %d!\n", __func__, data->rpc_status);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 5d744a5..72ab97e 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -641,7 +641,7 @@
/*
* Close the current file.
*/
-static void __nfs4_close(struct path *path, struct nfs4_state *state,
+static void __nfs4_close(struct nfs4_state *state,
fmode_t fmode, gfp_t gfp_mask, int wait)
{
struct nfs4_state_owner *owner = state->owner;
@@ -685,18 +685,18 @@
} else {
bool roc = pnfs_roc(state->inode);
- nfs4_do_close(path, state, gfp_mask, wait, roc);
+ nfs4_do_close(state, gfp_mask, wait, roc);
}
}
-void nfs4_close_state(struct path *path, struct nfs4_state *state, fmode_t fmode)
+void nfs4_close_state(struct nfs4_state *state, fmode_t fmode)
{
- __nfs4_close(path, state, fmode, GFP_NOFS, 0);
+ __nfs4_close(state, fmode, GFP_NOFS, 0);
}
-void nfs4_close_sync(struct path *path, struct nfs4_state *state, fmode_t fmode)
+void nfs4_close_sync(struct nfs4_state *state, fmode_t fmode)
{
- __nfs4_close(path, state, fmode, GFP_KERNEL, 1);
+ __nfs4_close(state, fmode, GFP_KERNEL, 1);
}
/*
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 7139dbf..b60970c 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -114,7 +114,7 @@
if (!nfs_lock_request_dontget(req))
return 0;
if (test_bit(PG_MAPPED, &req->wb_flags))
- radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
+ radix_tree_tag_set(&NFS_I(req->wb_context->dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
return 1;
}
@@ -124,7 +124,7 @@
void nfs_clear_page_tag_locked(struct nfs_page *req)
{
if (test_bit(PG_MAPPED, &req->wb_flags)) {
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = req->wb_context->dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 7cba228..2171c04 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -159,7 +159,7 @@
static void nfs_readpage_release(struct nfs_page *req)
{
- struct inode *d_inode = req->wb_context->path.dentry->d_inode;
+ struct inode *d_inode = req->wb_context->dentry->d_inode;
if (PageUptodate(req->wb_page))
nfs_readpage_to_fscache(d_inode, req->wb_page, 0);
@@ -167,8 +167,8 @@
unlock_page(req->wb_page);
dprintk("NFS: read done (%s/%Ld %d@%Ld)\n",
- req->wb_context->path.dentry->d_inode->i_sb->s_id,
- (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
+ req->wb_context->dentry->d_inode->i_sb->s_id,
+ (long long)NFS_FILEID(req->wb_context->dentry->d_inode),
req->wb_bytes,
(long long)req_offset(req));
nfs_release_request(req);
@@ -220,7 +220,7 @@
static void nfs_read_rpcsetup(struct nfs_page *req, struct nfs_read_data *data,
unsigned int count, unsigned int offset)
{
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = req->wb_context->dentry->d_inode;
data->req = req;
data->inode = inode;
@@ -243,7 +243,7 @@
static int nfs_do_read(struct nfs_read_data *data,
const struct rpc_call_ops *call_ops)
{
- struct inode *inode = data->args.context->path.dentry->d_inode;
+ struct inode *inode = data->args.context->dentry->d_inode;
return nfs_initiate_read(data, NFS_CLIENT(inode), call_ops);
}
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ce40e5c..b961cea 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2773,16 +2773,12 @@
static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt,
const char *export_path)
{
- struct nameidata *nd = NULL;
struct mnt_namespace *ns_private;
struct super_block *s;
struct dentry *dentry;
+ struct path path;
int ret;
- nd = kmalloc(sizeof(*nd), GFP_KERNEL);
- if (nd == NULL)
- return ERR_PTR(-ENOMEM);
-
ns_private = create_mnt_ns(root_mnt);
ret = PTR_ERR(ns_private);
if (IS_ERR(ns_private))
@@ -2793,7 +2789,7 @@
goto out_put_mnt_ns;
ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt,
- export_path, LOOKUP_FOLLOW, nd);
+ export_path, LOOKUP_FOLLOW, &path);
nfs_referral_loop_unprotect();
put_mnt_ns(ns_private);
@@ -2801,12 +2797,11 @@
if (ret != 0)
goto out_err;
- s = nd->path.mnt->mnt_sb;
+ s = path.mnt->mnt_sb;
atomic_inc(&s->s_active);
- dentry = dget(nd->path.dentry);
+ dentry = dget(path.dentry);
- path_put(&nd->path);
- kfree(nd);
+ path_put(&path);
down_write(&s->s_umount);
return dentry;
out_put_mnt_ns:
@@ -2814,7 +2809,6 @@
out_mntput:
mntput(root_mnt);
out_err:
- kfree(nd);
return ERR_PTR(ret);
}
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 9fba527..ebed518 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -409,7 +409,7 @@
*/
static void nfs_inode_remove_request(struct nfs_page *req)
{
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = req->wb_context->dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
BUG_ON (!NFS_WBACK_BUSY(req));
@@ -438,7 +438,7 @@
static void
nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg)
{
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = req->wb_context->dentry->d_inode;
struct nfs_inode *nfsi = NFS_I(inode);
spin_lock(&inode->i_lock);
@@ -850,13 +850,13 @@
unsigned int count, unsigned int offset,
int how)
{
- struct inode *inode = req->wb_context->path.dentry->d_inode;
+ struct inode *inode = req->wb_context->dentry->d_inode;
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
data->req = req;
- data->inode = inode = req->wb_context->path.dentry->d_inode;
+ data->inode = inode = req->wb_context->dentry->d_inode;
data->cred = req->wb_context->cred;
data->args.fh = NFS_FH(inode);
@@ -889,7 +889,7 @@
const struct rpc_call_ops *call_ops,
int how)
{
- struct inode *inode = data->args.context->path.dentry->d_inode;
+ struct inode *inode = data->args.context->dentry->d_inode;
return nfs_initiate_write(data, NFS_CLIENT(inode), call_ops, how);
}
@@ -1081,9 +1081,9 @@
dprintk("NFS: %5u write(%s/%lld %d@%lld)",
task->tk_pid,
- data->req->wb_context->path.dentry->d_inode->i_sb->s_id,
+ data->req->wb_context->dentry->d_inode->i_sb->s_id,
(long long)
- NFS_FILEID(data->req->wb_context->path.dentry->d_inode),
+ NFS_FILEID(data->req->wb_context->dentry->d_inode),
data->req->wb_bytes, (long long)req_offset(data->req));
nfs_writeback_done(task, data);
@@ -1176,8 +1176,8 @@
dprintk("NFS: %5u write (%s/%lld %d@%lld)",
data->task.tk_pid,
- req->wb_context->path.dentry->d_inode->i_sb->s_id,
- (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
+ req->wb_context->dentry->d_inode->i_sb->s_id,
+ (long long)NFS_FILEID(req->wb_context->dentry->d_inode),
req->wb_bytes,
(long long)req_offset(req));
@@ -1375,7 +1375,7 @@
struct pnfs_layout_segment *lseg)
{
struct nfs_page *first = nfs_list_entry(head->next);
- struct inode *inode = first->wb_context->path.dentry->d_inode;
+ struct inode *inode = first->wb_context->dentry->d_inode;
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
@@ -1463,8 +1463,8 @@
nfs_clear_request_commit(req);
dprintk("NFS: commit (%s/%lld %d@%lld)",
- req->wb_context->path.dentry->d_inode->i_sb->s_id,
- (long long)NFS_FILEID(req->wb_context->path.dentry->d_inode),
+ req->wb_context->dentry->d_sb->s_id,
+ (long long)NFS_FILEID(req->wb_context->dentry->d_inode),
req->wb_bytes,
(long long)req_offset(req));
if (status < 0) {