diff options
Diffstat (limited to 'fs/ext4')
-rw-r--r-- | fs/ext4/acl.c | 74 | ||||
-rw-r--r-- | fs/ext4/xattr.c | 31 | ||||
-rw-r--r-- | fs/ext4/xattr_security.c | 20 | ||||
-rw-r--r-- | fs/ext4/xattr_trusted.c | 20 | ||||
-rw-r--r-- | fs/ext4/xattr_user.c | 25 |
5 files changed, 73 insertions, 97 deletions
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index 0df88b2..8a2a29d 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -364,12 +364,12 @@ out: * Extended attribute handlers */ static size_t -ext4_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, - const char *name, size_t name_len) +ext4_xattr_list_acl_access(struct dentry *dentry, char *list, size_t list_len, + const char *name, size_t name_len, int type) { const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (!test_opt(dentry->d_sb, POSIX_ACL)) return 0; if (list && size <= list_len) memcpy(list, POSIX_ACL_XATTR_ACCESS, size); @@ -377,12 +377,12 @@ ext4_xattr_list_acl_access(struct inode *inode, char *list, size_t list_len, } static size_t -ext4_xattr_list_acl_default(struct inode *inode, char *list, size_t list_len, - const char *name, size_t name_len) +ext4_xattr_list_acl_default(struct dentry *dentry, char *list, size_t list_len, + const char *name, size_t name_len, int type) { const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (!test_opt(dentry->d_sb, POSIX_ACL)) return 0; if (list && size <= list_len) memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); @@ -390,15 +390,18 @@ ext4_xattr_list_acl_default(struct inode *inode, char *list, size_t list_len, } static int -ext4_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) +ext4_xattr_get_acl(struct dentry *dentry, const char *name, void *buffer, + size_t size, int type) { struct posix_acl *acl; int error; - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (strcmp(name, "") != 0) + return -EINVAL; + if (!test_opt(dentry->d_sb, POSIX_ACL)) return -EOPNOTSUPP; - acl = ext4_get_acl(inode, type); + acl = ext4_get_acl(dentry->d_inode, type); if (IS_ERR(acl)) return PTR_ERR(acl); if (acl == NULL) @@ -410,31 +413,16 @@ ext4_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) } static int -ext4_xattr_get_acl_access(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext4_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); -} - -static int -ext4_xattr_get_acl_default(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext4_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); -} - -static int -ext4_xattr_set_acl(struct inode *inode, int type, const void *value, - size_t size) +ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, + size_t size, int flags, int type) { + struct inode *inode = dentry->d_inode; handle_t *handle; struct posix_acl *acl; int error, retries = 0; + if (strcmp(name, "") != 0) + return -EINVAL; if (!test_opt(inode->i_sb, POSIX_ACL)) return -EOPNOTSUPP; if (!is_owner_or_cap(inode)) @@ -466,34 +454,18 @@ release_and_out: return error; } -static int -ext4_xattr_set_acl_access(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext4_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); -} - -static int -ext4_xattr_set_acl_default(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext4_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); -} - struct xattr_handler ext4_xattr_acl_access_handler = { .prefix = POSIX_ACL_XATTR_ACCESS, + .flags = ACL_TYPE_ACCESS, .list = ext4_xattr_list_acl_access, - .get = ext4_xattr_get_acl_access, - .set = ext4_xattr_set_acl_access, + .get = ext4_xattr_get_acl, + .set = ext4_xattr_set_acl, }; struct xattr_handler ext4_xattr_acl_default_handler = { .prefix = POSIX_ACL_XATTR_DEFAULT, + .flags = ACL_TYPE_DEFAULT, .list = ext4_xattr_list_acl_default, - .get = ext4_xattr_get_acl_default, - .set = ext4_xattr_set_acl_default, + .get = ext4_xattr_get_acl, + .set = ext4_xattr_set_acl, }; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 910bf9a..83218be 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -92,7 +92,7 @@ static struct buffer_head *ext4_xattr_cache_find(struct inode *, struct mb_cache_entry **); static void ext4_xattr_rehash(struct ext4_xattr_header *, struct ext4_xattr_entry *); -static int ext4_xattr_list(struct inode *inode, char *buffer, +static int ext4_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size); static struct mb_cache *ext4_xattr_cache; @@ -140,7 +140,7 @@ ext4_xattr_handler(int name_index) ssize_t ext4_listxattr(struct dentry *dentry, char *buffer, size_t size) { - return ext4_xattr_list(dentry->d_inode, buffer, size); + return ext4_xattr_list(dentry, buffer, size); } static int @@ -325,7 +325,7 @@ ext4_xattr_get(struct inode *inode, int name_index, const char *name, } static int -ext4_xattr_list_entries(struct inode *inode, struct ext4_xattr_entry *entry, +ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry, char *buffer, size_t buffer_size) { size_t rest = buffer_size; @@ -335,9 +335,10 @@ ext4_xattr_list_entries(struct inode *inode, struct ext4_xattr_entry *entry, ext4_xattr_handler(entry->e_name_index); if (handler) { - size_t size = handler->list(inode, buffer, rest, + size_t size = handler->list(dentry, buffer, rest, entry->e_name, - entry->e_name_len); + entry->e_name_len, + handler->flags); if (buffer) { if (size > rest) return -ERANGE; @@ -350,8 +351,9 @@ ext4_xattr_list_entries(struct inode *inode, struct ext4_xattr_entry *entry, } static int -ext4_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size) +ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size) { + struct inode *inode = dentry->d_inode; struct buffer_head *bh = NULL; int error; @@ -376,7 +378,7 @@ ext4_xattr_block_list(struct inode *inode, char *buffer, size_t buffer_size) goto cleanup; } ext4_xattr_cache_insert(bh); - error = ext4_xattr_list_entries(inode, BFIRST(bh), buffer, buffer_size); + error = ext4_xattr_list_entries(dentry, BFIRST(bh), buffer, buffer_size); cleanup: brelse(bh); @@ -385,8 +387,9 @@ cleanup: } static int -ext4_xattr_ibody_list(struct inode *inode, char *buffer, size_t buffer_size) +ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size) { + struct inode *inode = dentry->d_inode; struct ext4_xattr_ibody_header *header; struct ext4_inode *raw_inode; struct ext4_iloc iloc; @@ -404,7 +407,7 @@ ext4_xattr_ibody_list(struct inode *inode, char *buffer, size_t buffer_size) error = ext4_xattr_check_names(IFIRST(header), end); if (error) goto cleanup; - error = ext4_xattr_list_entries(inode, IFIRST(header), + error = ext4_xattr_list_entries(dentry, IFIRST(header), buffer, buffer_size); cleanup: @@ -423,12 +426,12 @@ cleanup: * used / required on success. */ static int -ext4_xattr_list(struct inode *inode, char *buffer, size_t buffer_size) +ext4_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size) { int i_error, b_error; - down_read(&EXT4_I(inode)->xattr_sem); - i_error = ext4_xattr_ibody_list(inode, buffer, buffer_size); + down_read(&EXT4_I(dentry->d_inode)->xattr_sem); + i_error = ext4_xattr_ibody_list(dentry, buffer, buffer_size); if (i_error < 0) { b_error = 0; } else { @@ -436,11 +439,11 @@ ext4_xattr_list(struct inode *inode, char *buffer, size_t buffer_size) buffer += i_error; buffer_size -= i_error; } - b_error = ext4_xattr_block_list(inode, buffer, buffer_size); + b_error = ext4_xattr_block_list(dentry, buffer, buffer_size); if (b_error < 0) i_error = 0; } - up_read(&EXT4_I(inode)->xattr_sem); + up_read(&EXT4_I(dentry->d_inode)->xattr_sem); return i_error + b_error; } diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c index ca5f89f..983c253 100644 --- a/fs/ext4/xattr_security.c +++ b/fs/ext4/xattr_security.c @@ -12,8 +12,8 @@ #include "xattr.h" static size_t -ext4_xattr_security_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext4_xattr_security_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t prefix_len = sizeof(XATTR_SECURITY_PREFIX)-1; const size_t total_len = prefix_len + name_len + 1; @@ -28,23 +28,23 @@ ext4_xattr_security_list(struct inode *inode, char *list, size_t list_size, } static int -ext4_xattr_security_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext4_xattr_security_get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext4_xattr_get(inode, EXT4_XATTR_INDEX_SECURITY, name, - buffer, size); + return ext4_xattr_get(dentry->d_inode, EXT4_XATTR_INDEX_SECURITY, + name, buffer, size); } static int -ext4_xattr_security_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext4_xattr_security_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext4_xattr_set(inode, EXT4_XATTR_INDEX_SECURITY, name, - value, size, flags); + return ext4_xattr_set(dentry->d_inode, EXT4_XATTR_INDEX_SECURITY, + name, value, size, flags); } int diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c index ac1a52c..15b50ed 100644 --- a/fs/ext4/xattr_trusted.c +++ b/fs/ext4/xattr_trusted.c @@ -14,8 +14,8 @@ #include "xattr.h" static size_t -ext4_xattr_trusted_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext4_xattr_trusted_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t prefix_len = XATTR_TRUSTED_PREFIX_LEN; const size_t total_len = prefix_len + name_len + 1; @@ -32,23 +32,23 @@ ext4_xattr_trusted_list(struct inode *inode, char *list, size_t list_size, } static int -ext4_xattr_trusted_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext4_xattr_trusted_get(struct dentry *dentry, const char *name, void *buffer, + size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED, name, - buffer, size); + return ext4_xattr_get(dentry->d_inode, EXT4_XATTR_INDEX_TRUSTED, + name, buffer, size); } static int -ext4_xattr_trusted_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext4_xattr_trusted_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED, name, - value, size, flags); + return ext4_xattr_set(dentry->d_inode, EXT4_XATTR_INDEX_TRUSTED, + name, value, size, flags); } struct xattr_handler ext4_xattr_trusted_handler = { diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c index d91aa61..c4ce057 100644 --- a/fs/ext4/xattr_user.c +++ b/fs/ext4/xattr_user.c @@ -13,13 +13,13 @@ #include "xattr.h" static size_t -ext4_xattr_user_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext4_xattr_user_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t prefix_len = XATTR_USER_PREFIX_LEN; const size_t total_len = prefix_len + name_len + 1; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return 0; if (list && total_len <= list_size) { @@ -31,26 +31,27 @@ ext4_xattr_user_list(struct inode *inode, char *list, size_t list_size, } static int -ext4_xattr_user_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext4_xattr_user_get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return -EOPNOTSUPP; - return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER, name, buffer, size); + return ext4_xattr_get(dentry->d_inode, EXT4_XATTR_INDEX_USER, + name, buffer, size); } static int -ext4_xattr_user_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext4_xattr_user_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return -EOPNOTSUPP; - return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER, name, - value, size, flags); + return ext4_xattr_set(dentry->d_inode, EXT4_XATTR_INDEX_USER, + name, value, size, flags); } struct xattr_handler ext4_xattr_user_handler = { |