X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Freiserfs%2Fxattr.c;h=cc061bfd437b00b4c3aed01b3e0983fb83dba152;hb=e2f99018eb7b29954747a2dd78e9fc0c36a60f0f;hp=72e120798677a0ff20852c4a528bc8c4c5c9aa12;hpb=27d1097d39509494706eaa2620ef3b1e780a3224;p=linux-2.6 diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 72e1207986..cc061bfd43 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -30,6 +30,7 @@ */ #include +#include #include #include #include @@ -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); @@ -115,8 +116,8 @@ static struct dentry *__get_xa_root(struct super_block *s) } /* Returns the dentry (or NULL) referring to the root of the extended - * attribute directory tree. If it has already been retreived, it is used. - * Otherwise, we attempt to retreive it from disk. It may also return + * attribute directory tree. If it has already been retrieved, it is used. + * Otherwise, we attempt to retrieve it from disk. It may also return * a pointer-encoded error. */ static inline struct dentry *get_xa_root(struct super_block *s) @@ -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;