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-rw-r--r--fs/9p/acl.c24
-rw-r--r--fs/9p/cache.c8
-rw-r--r--fs/9p/v9fs.c2
-rw-r--r--fs/9p/v9fs.h2
-rw-r--r--fs/9p/vfs_file.c8
-rw-r--r--fs/9p/vfs_inode.c26
-rw-r--r--fs/9p/vfs_inode_dotl.c21
-rw-r--r--fs/9p/xattr.c4
8 files changed, 50 insertions, 45 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index a7e28890f..9da967f38 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -67,8 +67,8 @@ int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
return 0;
}
/* get the default/access acl values and cache them */
- dacl = __v9fs_get_acl(fid, POSIX_ACL_XATTR_DEFAULT);
- pacl = __v9fs_get_acl(fid, POSIX_ACL_XATTR_ACCESS);
+ dacl = __v9fs_get_acl(fid, XATTR_NAME_POSIX_ACL_DEFAULT);
+ pacl = __v9fs_get_acl(fid, XATTR_NAME_POSIX_ACL_ACCESS);
if (!IS_ERR(dacl) && !IS_ERR(pacl)) {
set_cached_acl(inode, ACL_TYPE_DEFAULT, dacl);
@@ -133,10 +133,10 @@ static int v9fs_set_acl(struct p9_fid *fid, int type, struct posix_acl *acl)
goto err_free_out;
switch (type) {
case ACL_TYPE_ACCESS:
- name = POSIX_ACL_XATTR_ACCESS;
+ name = XATTR_NAME_POSIX_ACL_ACCESS;
break;
case ACL_TYPE_DEFAULT:
- name = POSIX_ACL_XATTR_DEFAULT;
+ name = XATTR_NAME_POSIX_ACL_DEFAULT;
break;
default:
BUG();
@@ -220,15 +220,12 @@ static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
struct posix_acl *acl;
int error;
- if (strcmp(name, "") != 0)
- return -EINVAL;
-
v9ses = v9fs_dentry2v9ses(dentry);
/*
* We allow set/get/list of acl when access=client is not specified
*/
if ((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT)
- return v9fs_xattr_get(dentry, handler->prefix, buffer, size);
+ return v9fs_xattr_get(dentry, handler->name, buffer, size);
acl = v9fs_get_cached_acl(d_inode(dentry), handler->flags);
if (IS_ERR(acl))
@@ -250,16 +247,13 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
struct v9fs_session_info *v9ses;
struct inode *inode = d_inode(dentry);
- if (strcmp(name, "") != 0)
- return -EINVAL;
-
v9ses = v9fs_dentry2v9ses(dentry);
/*
* set the attribute on the remote. Without even looking at the
* xattr value. We leave it to the server to validate
*/
if ((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT)
- return v9fs_xattr_set(dentry, handler->prefix, value, size,
+ return v9fs_xattr_set(dentry, handler->name, value, size,
flags);
if (S_ISLNK(inode->i_mode))
@@ -319,7 +313,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
default:
BUG();
}
- retval = v9fs_xattr_set(dentry, handler->prefix, value, size, flags);
+ retval = v9fs_xattr_set(dentry, handler->name, value, size, flags);
if (!retval)
set_cached_acl(inode, handler->flags, acl);
err_out:
@@ -328,14 +322,14 @@ err_out:
}
const struct xattr_handler v9fs_xattr_acl_access_handler = {
- .prefix = POSIX_ACL_XATTR_ACCESS,
+ .name = XATTR_NAME_POSIX_ACL_ACCESS,
.flags = ACL_TYPE_ACCESS,
.get = v9fs_xattr_get_acl,
.set = v9fs_xattr_set_acl,
};
const struct xattr_handler v9fs_xattr_acl_default_handler = {
- .prefix = POSIX_ACL_XATTR_DEFAULT,
+ .name = XATTR_NAME_POSIX_ACL_DEFAULT,
.flags = ACL_TYPE_DEFAULT,
.get = v9fs_xattr_get_acl,
.set = v9fs_xattr_set_acl,
diff --git a/fs/9p/cache.c b/fs/9p/cache.c
index a69260f27..103ca5e12 100644
--- a/fs/9p/cache.c
+++ b/fs/9p/cache.c
@@ -243,14 +243,14 @@ void v9fs_cache_inode_set_cookie(struct inode *inode, struct file *filp)
if (!v9inode->fscache)
return;
- spin_lock(&v9inode->fscache_lock);
+ mutex_lock(&v9inode->fscache_lock);
if ((filp->f_flags & O_ACCMODE) != O_RDONLY)
v9fs_cache_inode_flush_cookie(inode);
else
v9fs_cache_inode_get_cookie(inode);
- spin_unlock(&v9inode->fscache_lock);
+ mutex_unlock(&v9inode->fscache_lock);
}
void v9fs_cache_inode_reset_cookie(struct inode *inode)
@@ -264,7 +264,7 @@ void v9fs_cache_inode_reset_cookie(struct inode *inode)
old = v9inode->fscache;
- spin_lock(&v9inode->fscache_lock);
+ mutex_lock(&v9inode->fscache_lock);
fscache_relinquish_cookie(v9inode->fscache, 1);
v9ses = v9fs_inode2v9ses(inode);
@@ -274,7 +274,7 @@ void v9fs_cache_inode_reset_cookie(struct inode *inode)
p9_debug(P9_DEBUG_FSC, "inode %p revalidating cookie old %p new %p\n",
inode, old, v9inode->fscache);
- spin_unlock(&v9inode->fscache_lock);
+ mutex_unlock(&v9inode->fscache_lock);
}
int __v9fs_fscache_release_page(struct page *page, gfp_t gfp)
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 6caca0250..072e75995 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -575,7 +575,7 @@ static int v9fs_init_inode_cache(void)
v9fs_inode_cache = kmem_cache_create("v9fs_inode_cache",
sizeof(struct v9fs_inode),
0, (SLAB_RECLAIM_ACCOUNT|
- SLAB_MEM_SPREAD),
+ SLAB_MEM_SPREAD|SLAB_ACCOUNT),
v9fs_inode_init_once);
if (!v9fs_inode_cache)
return -ENOMEM;
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 0923f2cf3..687705038 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -123,7 +123,7 @@ struct v9fs_session_info {
struct v9fs_inode {
#ifdef CONFIG_9P_FSCACHE
- spinlock_t fscache_lock;
+ struct mutex fscache_lock;
struct fscache_cookie *fscache;
#endif
struct p9_qid qid;
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 7bf835f85..eadc894fa 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -449,14 +449,14 @@ static int v9fs_file_fsync(struct file *filp, loff_t start, loff_t end,
if (retval)
return retval;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
fid = filp->private_data;
v9fs_blank_wstat(&wstat);
retval = p9_client_wstat(fid, &wstat);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return retval;
}
@@ -472,13 +472,13 @@ int v9fs_file_fsync_dotl(struct file *filp, loff_t start, loff_t end,
if (retval)
return retval;
- mutex_lock(&inode->i_mutex);
+ inode_lock(inode);
p9_debug(P9_DEBUG_VFS, "filp %p datasync %x\n", filp, datasync);
fid = filp->private_data;
retval = p9_client_fsync(fid, datasync);
- mutex_unlock(&inode->i_mutex);
+ inode_unlock(inode);
return retval;
}
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 511078586..3a08b3e6f 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -244,7 +244,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb)
return NULL;
#ifdef CONFIG_9P_FSCACHE
v9inode->fscache = NULL;
- spin_lock_init(&v9inode->fscache_lock);
+ mutex_init(&v9inode->fscache_lock);
#endif
v9inode->writeback_fid = NULL;
v9inode->cache_validity = 0;
@@ -1223,18 +1223,26 @@ ino_t v9fs_qid2ino(struct p9_qid *qid)
}
/**
- * v9fs_vfs_follow_link - follow a symlink path
+ * v9fs_vfs_get_link - follow a symlink path
* @dentry: dentry for symlink
- * @cookie: place to pass the data to put_link()
+ * @inode: inode for symlink
+ * @done: delayed call for when we are done with the return value
*/
-static const char *v9fs_vfs_follow_link(struct dentry *dentry, void **cookie)
+static const char *v9fs_vfs_get_link(struct dentry *dentry,
+ struct inode *inode,
+ struct delayed_call *done)
{
- struct v9fs_session_info *v9ses = v9fs_dentry2v9ses(dentry);
- struct p9_fid *fid = v9fs_fid_lookup(dentry);
+ struct v9fs_session_info *v9ses;
+ struct p9_fid *fid;
struct p9_wstat *st;
char *res;
+ if (!dentry)
+ return ERR_PTR(-ECHILD);
+
+ v9ses = v9fs_dentry2v9ses(dentry);
+ fid = v9fs_fid_lookup(dentry);
p9_debug(P9_DEBUG_VFS, "%pd\n", dentry);
if (IS_ERR(fid))
@@ -1259,7 +1267,8 @@ static const char *v9fs_vfs_follow_link(struct dentry *dentry, void **cookie)
p9stat_free(st);
kfree(st);
- return *cookie = res;
+ set_delayed_call(done, kfree_link, res);
+ return res;
}
/**
@@ -1452,8 +1461,7 @@ static const struct inode_operations v9fs_file_inode_operations = {
static const struct inode_operations v9fs_symlink_inode_operations = {
.readlink = generic_readlink,
- .follow_link = v9fs_vfs_follow_link,
- .put_link = kfree_put_link,
+ .get_link = v9fs_vfs_get_link,
.getattr = v9fs_vfs_getattr,
.setattr = v9fs_vfs_setattr,
};
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index cb899af1b..a34702c99 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -899,26 +899,34 @@ error:
}
/**
- * v9fs_vfs_follow_link_dotl - follow a symlink path
+ * v9fs_vfs_get_link_dotl - follow a symlink path
* @dentry: dentry for symlink
- * @cookie: place to pass the data to put_link()
+ * @inode: inode for symlink
+ * @done: destructor for return value
*/
static const char *
-v9fs_vfs_follow_link_dotl(struct dentry *dentry, void **cookie)
+v9fs_vfs_get_link_dotl(struct dentry *dentry,
+ struct inode *inode,
+ struct delayed_call *done)
{
- struct p9_fid *fid = v9fs_fid_lookup(dentry);
+ struct p9_fid *fid;
char *target;
int retval;
+ if (!dentry)
+ return ERR_PTR(-ECHILD);
+
p9_debug(P9_DEBUG_VFS, "%pd\n", dentry);
+ fid = v9fs_fid_lookup(dentry);
if (IS_ERR(fid))
return ERR_CAST(fid);
retval = p9_client_readlink(fid, &target);
if (retval)
return ERR_PTR(retval);
- return *cookie = target;
+ set_delayed_call(done, kfree_link, target);
+ return target;
}
int v9fs_refresh_inode_dotl(struct p9_fid *fid, struct inode *inode)
@@ -984,8 +992,7 @@ const struct inode_operations v9fs_file_inode_operations_dotl = {
const struct inode_operations v9fs_symlink_inode_operations_dotl = {
.readlink = generic_readlink,
- .follow_link = v9fs_vfs_follow_link_dotl,
- .put_link = kfree_put_link,
+ .get_link = v9fs_vfs_get_link_dotl,
.getattr = v9fs_vfs_getattr_dotl,
.setattr = v9fs_vfs_setattr_dotl,
.setxattr = generic_setxattr,
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index e3d026ac3..9dd9b47a6 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -143,8 +143,6 @@ static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
{
const char *full_name = xattr_full_name(handler, name);
- if (strcmp(name, "") == 0)
- return -EINVAL;
return v9fs_xattr_get(dentry, full_name, buffer, size);
}
@@ -154,8 +152,6 @@ static int v9fs_xattr_handler_set(const struct xattr_handler *handler,
{
const char *full_name = xattr_full_name(handler, name);
- if (strcmp(name, "") == 0)
- return -EINVAL;
return v9fs_xattr_set(dentry, full_name, value, size, flags);
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-16 11:20:18 +0000