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Diffstat (limited to 'fs/reiserfs/xattr.c')
-rw-r--r--fs/reiserfs/xattr.c56
1 files changed, 18 insertions, 38 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 02091eaac0b4..cc061bfd437b 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -30,6 +30,7 @@
*/
#include <linux/reiserfs_fs.h>
+#include <linux/capability.h>
#include <linux/dcache.h>
#include <linux/namei.h>
#include <linux/errno.h>
@@ -67,11 +68,11 @@ static struct dentry *create_xa_root(struct super_block *sb)
goto out;
} else if (!xaroot->d_inode) {
int err;
- down(&privroot->d_inode->i_sem);
+ mutex_lock(&privroot->d_inode->i_mutex);
err =
privroot->d_inode->i_op->mkdir(privroot->d_inode, xaroot,
0700);
- up(&privroot->d_inode->i_sem);
+ mutex_unlock(&privroot->d_inode->i_mutex);
if (err) {
dput(xaroot);
@@ -219,7 +220,7 @@ static struct dentry *get_xa_file_dentry(const struct inode *inode,
} else if (flags & XATTR_REPLACE || flags & FL_READONLY) {
goto out;
} else {
- /* inode->i_sem is down, so nothing else can try to create
+ /* inode->i_mutex is down, so nothing else can try to create
* the same xattr */
err = xadir->d_inode->i_op->create(xadir->d_inode, xafile,
0700 | S_IFREG, NULL);
@@ -268,7 +269,7 @@ static struct file *open_xa_file(const struct inode *inode, const char *name,
* and don't mess with f->f_pos, but the idea is the same. Do some
* action on each and every entry in the directory.
*
- * we're called with i_sem held, so there are no worries about the directory
+ * we're called with i_mutex held, so there are no worries about the directory
* changing underneath us.
*/
static int __xattr_readdir(struct file *filp, void *dirent, filldir_t filldir)
@@ -426,7 +427,7 @@ int xattr_readdir(struct file *file, filldir_t filler, void *buf)
int res = -ENOTDIR;
if (!file->f_op || !file->f_op->readdir)
goto out;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
// down(&inode->i_zombie);
res = -ENOENT;
if (!IS_DEADDIR(inode)) {
@@ -435,7 +436,7 @@ int xattr_readdir(struct file *file, filldir_t filler, void *buf)
unlock_kernel();
}
// up(&inode->i_zombie);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
out:
return res;
}
@@ -480,7 +481,7 @@ static inline __u32 xattr_hash(const char *msg, int len)
/* Generic extended attribute operations that can be used by xa plugins */
/*
- * inode->i_sem: down
+ * inode->i_mutex: down
*/
int
reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
@@ -497,12 +498,6 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
struct iattr newattrs;
__u32 xahash = 0;
- if (IS_RDONLY(inode))
- return -EROFS;
-
- if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
- return -EPERM;
-
if (get_inode_sd_version(inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
@@ -535,7 +530,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
/* Resize it so we're ok to write there */
newattrs.ia_size = buffer_size;
newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
- down(&xinode->i_sem);
+ mutex_lock(&xinode->i_mutex);
err = notify_change(fp->f_dentry, &newattrs);
if (err)
goto out_filp;
@@ -598,7 +593,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
}
out_filp:
- up(&xinode->i_sem);
+ mutex_unlock(&xinode->i_mutex);
fput(fp);
out:
@@ -606,7 +601,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
}
/*
- * inode->i_sem: down
+ * inode->i_mutex: down
*/
int
reiserfs_xattr_get(const struct inode *inode, const char *name, void *buffer,
@@ -758,9 +753,6 @@ int reiserfs_xattr_del(struct inode *inode, const char *name)
struct dentry *dir;
int err;
- if (IS_RDONLY(inode))
- return -EROFS;
-
dir = open_xa_dir(inode, FL_READONLY);
if (IS_ERR(dir)) {
err = PTR_ERR(dir);
@@ -793,7 +785,7 @@ reiserfs_delete_xattrs_filler(void *buf, const char *name, int namelen,
}
-/* This is called w/ inode->i_sem downed */
+/* This is called w/ inode->i_mutex downed */
int reiserfs_delete_xattrs(struct inode *inode)
{
struct file *fp;
@@ -946,7 +938,7 @@ int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs)
/*
* Inode operation getxattr()
- * Preliminary locking: we down dentry->d_inode->i_sem
+ * Preliminary locking: we down dentry->d_inode->i_mutex
*/
ssize_t
reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
@@ -970,7 +962,7 @@ reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
/*
* Inode operation setxattr()
*
- * dentry->d_inode->i_sem down
+ * dentry->d_inode->i_mutex down
*/
int
reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
@@ -984,12 +976,6 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
- if (IS_RDONLY(dentry->d_inode))
- return -EROFS;
-
- if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode))
- return -EROFS;
-
reiserfs_write_lock_xattr_i(dentry->d_inode);
lock = !has_xattr_dir(dentry->d_inode);
if (lock)
@@ -1008,7 +994,7 @@ reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
/*
* Inode operation removexattr()
*
- * dentry->d_inode->i_sem down
+ * dentry->d_inode->i_mutex down
*/
int reiserfs_removexattr(struct dentry *dentry, const char *name)
{
@@ -1019,12 +1005,6 @@ int reiserfs_removexattr(struct dentry *dentry, const char *name)
get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)
return -EOPNOTSUPP;
- if (IS_RDONLY(dentry->d_inode))
- return -EROFS;
-
- if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode))
- return -EPERM;
-
reiserfs_write_lock_xattr_i(dentry->d_inode);
reiserfs_read_lock_xattrs(dentry->d_sb);
@@ -1091,7 +1071,7 @@ reiserfs_listxattr_filler(void *buf, const char *name, int namelen,
/*
* Inode operation listxattr()
*
- * Preliminary locking: we down dentry->d_inode->i_sem
+ * Preliminary locking: we down dentry->d_inode->i_mutex
*/
ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size)
{
@@ -1289,9 +1269,9 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags)
if (!IS_ERR(dentry)) {
if (!(mount_flags & MS_RDONLY) && !dentry->d_inode) {
struct inode *inode = dentry->d_parent->d_inode;
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
err = inode->i_op->mkdir(inode, dentry, 0700);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
if (err) {
dput(dentry);
dentry = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 14:04:30 +0000