diff options
Diffstat (limited to 'fs/btrfs/acl.c')
-rw-r--r-- | fs/btrfs/acl.c | 81 |
1 files changed, 32 insertions, 49 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 361604244271..6df6d6ed74fd 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -73,13 +73,13 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type) return acl; } -static int btrfs_xattr_get_acl(struct inode *inode, int type, - void *value, size_t size) +static int btrfs_xattr_acl_get(struct dentry *dentry, const char *name, + void *value, size_t size, int type) { struct posix_acl *acl; int ret = 0; - acl = btrfs_get_acl(inode, type); + acl = btrfs_get_acl(dentry->d_inode, type); if (IS_ERR(acl)) return PTR_ERR(acl); @@ -94,7 +94,8 @@ static int btrfs_xattr_get_acl(struct inode *inode, int type, /* * Needs to be called with fs_mutex held */ -static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) +static int btrfs_set_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct posix_acl *acl, int type) { int ret, size = 0; const char *name; @@ -111,12 +112,14 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) switch (type) { case ACL_TYPE_ACCESS: mode = inode->i_mode; - ret = posix_acl_equiv_mode(acl, &mode); - if (ret < 0) - return ret; - ret = 0; - inode->i_mode = mode; name = POSIX_ACL_XATTR_ACCESS; + if (acl) { + ret = posix_acl_equiv_mode(acl, &mode); + if (ret < 0) + return ret; + inode->i_mode = mode; + } + ret = 0; break; case ACL_TYPE_DEFAULT: if (!S_ISDIR(inode->i_mode)) @@ -140,8 +143,7 @@ static int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) goto out; } - ret = __btrfs_setxattr(inode, name, value, size, 0); - + ret = __btrfs_setxattr(trans, inode, name, value, size, 0); out: kfree(value); @@ -151,10 +153,10 @@ out: return ret; } -static int btrfs_xattr_set_acl(struct inode *inode, int type, - const void *value, size_t size) +static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { - int ret = 0; + int ret; struct posix_acl *acl = NULL; if (value) { @@ -167,38 +169,13 @@ static int btrfs_xattr_set_acl(struct inode *inode, int type, } } - ret = btrfs_set_acl(inode, acl, type); + ret = btrfs_set_acl(NULL, dentry->d_inode, acl, type); posix_acl_release(acl); return ret; } - -static int btrfs_xattr_acl_access_get(struct inode *inode, const char *name, - void *value, size_t size) -{ - return btrfs_xattr_get_acl(inode, ACL_TYPE_ACCESS, value, size); -} - -static int btrfs_xattr_acl_access_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - return btrfs_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); -} - -static int btrfs_xattr_acl_default_get(struct inode *inode, const char *name, - void *value, size_t size) -{ - return btrfs_xattr_get_acl(inode, ACL_TYPE_DEFAULT, value, size); -} - -static int btrfs_xattr_acl_default_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - return btrfs_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); -} - int btrfs_check_acl(struct inode *inode, int mask) { struct posix_acl *acl; @@ -221,7 +198,8 @@ int btrfs_check_acl(struct inode *inode, int mask) * stuff has been fixed to work with that. If the locking stuff changes, we * need to re-evaluate the acl locking stuff. */ -int btrfs_init_acl(struct inode *inode, struct inode *dir) +int btrfs_init_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { struct posix_acl *acl = NULL; int ret = 0; @@ -246,7 +224,8 @@ int btrfs_init_acl(struct inode *inode, struct inode *dir) mode_t mode; if (S_ISDIR(inode->i_mode)) { - ret = btrfs_set_acl(inode, acl, ACL_TYPE_DEFAULT); + ret = btrfs_set_acl(trans, inode, acl, + ACL_TYPE_DEFAULT); if (ret) goto failed; } @@ -261,10 +240,11 @@ int btrfs_init_acl(struct inode *inode, struct inode *dir) inode->i_mode = mode; if (ret > 0) { /* we need an acl */ - ret = btrfs_set_acl(inode, clone, + ret = btrfs_set_acl(trans, inode, clone, ACL_TYPE_ACCESS); } } + posix_acl_release(clone); } failed: posix_acl_release(acl); @@ -294,7 +274,7 @@ int btrfs_acl_chmod(struct inode *inode) ret = posix_acl_chmod_masq(clone, inode->i_mode); if (!ret) - ret = btrfs_set_acl(inode, clone, ACL_TYPE_ACCESS); + ret = btrfs_set_acl(NULL, inode, clone, ACL_TYPE_ACCESS); posix_acl_release(clone); @@ -303,14 +283,16 @@ int btrfs_acl_chmod(struct inode *inode) struct xattr_handler btrfs_xattr_acl_default_handler = { .prefix = POSIX_ACL_XATTR_DEFAULT, - .get = btrfs_xattr_acl_default_get, - .set = btrfs_xattr_acl_default_set, + .flags = ACL_TYPE_DEFAULT, + .get = btrfs_xattr_acl_get, + .set = btrfs_xattr_acl_set, }; struct xattr_handler btrfs_xattr_acl_access_handler = { .prefix = POSIX_ACL_XATTR_ACCESS, - .get = btrfs_xattr_acl_access_get, - .set = btrfs_xattr_acl_access_set, + .flags = ACL_TYPE_ACCESS, + .get = btrfs_xattr_acl_get, + .set = btrfs_xattr_acl_set, }; #else /* CONFIG_BTRFS_FS_POSIX_ACL */ @@ -320,7 +302,8 @@ int btrfs_acl_chmod(struct inode *inode) return 0; } -int btrfs_init_acl(struct inode *inode, struct inode *dir) +int btrfs_init_acl(struct btrfs_trans_handle *trans, + struct inode *inode, struct inode *dir) { return 0; } |