diff options
Diffstat (limited to 'fs/ext2')
-rw-r--r-- | fs/ext2/acl.c | 11 | ||||
-rw-r--r-- | fs/ext2/balloc.c | 1 | ||||
-rw-r--r-- | fs/ext2/bitmap.c | 7 | ||||
-rw-r--r-- | fs/ext2/dir.c | 2 | ||||
-rw-r--r-- | fs/ext2/ext2.h | 2 | ||||
-rw-r--r-- | fs/ext2/ioctl.c | 1 | ||||
-rw-r--r-- | fs/ext2/namei.c | 5 | ||||
-rw-r--r-- | fs/ext2/super.c | 4 | ||||
-rw-r--r-- | fs/ext2/xattr.c | 6 | ||||
-rw-r--r-- | fs/ext2/xattr_trusted.c | 5 | ||||
-rw-r--r-- | fs/ext2/xattr_user.c | 14 |
11 files changed, 22 insertions, 36 deletions
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index 6af2f413029..35acc43b897 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -4,6 +4,7 @@ * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de> */ +#include <linux/capability.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/slab.h> @@ -149,7 +150,7 @@ ext2_iset_acl(struct inode *inode, struct posix_acl **i_acl, } /* - * inode->i_sem: don't care + * inode->i_mutex: don't care */ static struct posix_acl * ext2_get_acl(struct inode *inode, int type) @@ -211,7 +212,7 @@ ext2_get_acl(struct inode *inode, int type) } /* - * inode->i_sem: down + * inode->i_mutex: down */ static int ext2_set_acl(struct inode *inode, int type, struct posix_acl *acl) @@ -301,8 +302,8 @@ ext2_permission(struct inode *inode, int mask, struct nameidata *nd) /* * Initialize the ACLs of a new inode. Called from ext2_new_inode. * - * dir->i_sem: down - * inode->i_sem: up (access to inode is still exclusive) + * dir->i_mutex: down + * inode->i_mutex: up (access to inode is still exclusive) */ int ext2_init_acl(struct inode *inode, struct inode *dir) @@ -361,7 +362,7 @@ cleanup: * for directories) are added. There are no more bits available in the * file mode. * - * inode->i_sem: down + * inode->i_mutex: down */ int ext2_acl_chmod(struct inode *inode) diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c index bb690806649..2c00953d4b0 100644 --- a/fs/ext2/balloc.c +++ b/fs/ext2/balloc.c @@ -16,6 +16,7 @@ #include <linux/quotaops.h> #include <linux/sched.h> #include <linux/buffer_head.h> +#include <linux/capability.h> /* * balloc.c contains the blocks allocation and deallocation routines diff --git a/fs/ext2/bitmap.c b/fs/ext2/bitmap.c index 20145b74623..e9983a0dd39 100644 --- a/fs/ext2/bitmap.c +++ b/fs/ext2/bitmap.c @@ -7,8 +7,12 @@ * Universite Pierre et Marie Curie (Paris VI) */ +#ifdef EXT2FS_DEBUG + #include <linux/buffer_head.h> +#include "ext2.h" + static int nibblemap[] = {4, 3, 3, 2, 3, 2, 2, 1, 3, 2, 2, 1, 2, 1, 1, 0}; unsigned long ext2_count_free (struct buffer_head * map, unsigned int numchars) @@ -23,3 +27,6 @@ unsigned long ext2_count_free (struct buffer_head * map, unsigned int numchars) nibblemap[(map->b_data[i] >> 4) & 0xf]; return (sum); } + +#endif /* EXT2FS_DEBUG */ + diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 5b5f52876b4..7442bdd1267 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -592,7 +592,7 @@ int ext2_make_empty(struct inode *inode, struct inode *parent) goto fail; } kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr, 0, chunk_size); + memset(kaddr, 0, chunk_size); de = (struct ext2_dir_entry_2 *)kaddr; de->name_len = 1; de->rec_len = cpu_to_le16(EXT2_DIR_REC_LEN(1)); diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index e977f8566d1..00de0a7312a 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -53,7 +53,7 @@ struct ext2_inode_info { #ifdef CONFIG_EXT2_FS_XATTR /* * Extended attributes can be read independently of the main file - * data. Taking i_sem even when reading would cause contention + * data. Taking i_mutex even when reading would cause contention * between readers of EAs and writers of regular file data, so * instead we synchronize on xattr_sem when reading or changing * EAs. diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index 709d8676b96..3ca9afdf713 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -8,6 +8,7 @@ */ #include "ext2.h" +#include <linux/capability.h> #include <linux/time.h> #include <linux/sched.h> #include <asm/current.h> diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index c5513953c82..ad1432a2a62 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -83,10 +83,7 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str if (!inode) return ERR_PTR(-EACCES); } - if (inode) - return d_splice_alias(inode, dentry); - d_add(dentry, inode); - return NULL; + return d_splice_alias(inode, dentry); } struct dentry *ext2_get_parent(struct dentry *child) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 522fa70dd8e..8d6819846fc 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1152,7 +1152,7 @@ static ssize_t ext2_quota_write(struct super_block *sb, int type, struct buffer_head tmp_bh; struct buffer_head *bh; - down(&inode->i_sem); + mutex_lock(&inode->i_mutex); while (towrite > 0) { tocopy = sb->s_blocksize - offset < towrite ? sb->s_blocksize - offset : towrite; @@ -1189,7 +1189,7 @@ out: inode->i_version++; inode->i_mtime = inode->i_ctime = CURRENT_TIME; mark_inode_dirty(inode); - up(&inode->i_sem); + mutex_unlock(&inode->i_mutex); return len - towrite; } diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index 0099462d427..a2ca3107d47 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -325,7 +325,7 @@ cleanup: /* * Inode operation listxattr() * - * dentry->d_inode->i_sem: don't care + * dentry->d_inode->i_mutex: don't care */ ssize_t ext2_listxattr(struct dentry *dentry, char *buffer, size_t size) @@ -389,10 +389,6 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name, ea_idebug(inode, "name=%d.%s, value=%p, value_len=%ld", name_index, name, value, (long)value_len); - if (IS_RDONLY(inode)) - return -EROFS; - if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) - return -EPERM; if (value == NULL) value_len = 0; if (name == NULL) diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c index 52b30ee6a25..f28a6a499c9 100644 --- a/fs/ext2/xattr_trusted.c +++ b/fs/ext2/xattr_trusted.c @@ -7,6 +7,7 @@ #include <linux/module.h> #include <linux/string.h> +#include <linux/capability.h> #include <linux/fs.h> #include <linux/smp_lock.h> #include <linux/ext2_fs.h> @@ -38,8 +39,6 @@ ext2_xattr_trusted_get(struct inode *inode, const char *name, { if (strcmp(name, "") == 0) return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name, buffer, size); } @@ -50,8 +49,6 @@ ext2_xattr_trusted_set(struct inode *inode, const char *name, { if (strcmp(name, "") == 0) return -EINVAL; - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name, value, size, flags); } diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c index 0c03ea131a9..f383e7c3a7b 100644 --- a/fs/ext2/xattr_user.c +++ b/fs/ext2/xattr_user.c @@ -35,16 +35,10 @@ static int ext2_xattr_user_get(struct inode *inode, const char *name, void *buffer, size_t size) { - int error; - if (strcmp(name, "") == 0) return -EINVAL; if (!test_opt(inode->i_sb, XATTR_USER)) return -EOPNOTSUPP; - error = permission(inode, MAY_READ, NULL); - if (error) - return error; - return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER, name, buffer, size); } @@ -52,18 +46,10 @@ static int ext2_xattr_user_set(struct inode *inode, const char *name, const void *value, size_t size, int flags) { - int error; - if (strcmp(name, "") == 0) return -EINVAL; if (!test_opt(inode->i_sb, XATTR_USER)) return -EOPNOTSUPP; - if ( !S_ISREG(inode->i_mode) && - (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX)) - return -EPERM; - error = permission(inode, MAY_WRITE, NULL); - if (error) - return error; return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER, name, value, size, flags); |