diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /fs/jfs | |
parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/jfs')
-rw-r--r-- | fs/jfs/Kconfig | 49 | ||||
-rw-r--r-- | fs/jfs/jfs_imap.c | 10 | ||||
-rw-r--r-- | fs/jfs/jfs_inode.c | 29 | ||||
-rw-r--r-- | fs/jfs/namei.c | 24 | ||||
-rw-r--r-- | fs/jfs/super.c | 10 |
5 files changed, 99 insertions, 23 deletions
diff --git a/fs/jfs/Kconfig b/fs/jfs/Kconfig new file mode 100644 index 00000000000..9ff619a6f9c --- /dev/null +++ b/fs/jfs/Kconfig @@ -0,0 +1,49 @@ +config JFS_FS + tristate "JFS filesystem support" + select NLS + help + This is a port of IBM's Journaled Filesystem . More information is + available in the file <file:Documentation/filesystems/jfs.txt>. + + If you do not intend to use the JFS filesystem, say N. + +config JFS_POSIX_ACL + bool "JFS POSIX Access Control Lists" + depends on JFS_FS + select FS_POSIX_ACL + help + Posix Access Control Lists (ACLs) support permissions for users and + groups beyond the owner/group/world scheme. + + To learn more about Access Control Lists, visit the Posix ACLs for + Linux website <http://acl.bestbits.at/>. + + If you don't know what Access Control Lists are, say N + +config JFS_SECURITY + bool "JFS Security Labels" + depends on JFS_FS + help + Security labels support alternative access control models + implemented by security modules like SELinux. This option + enables an extended attribute handler for file security + labels in the jfs filesystem. + + If you are not using a security module that requires using + extended attributes for file security labels, say N. + +config JFS_DEBUG + bool "JFS debugging" + depends on JFS_FS + help + If you are experiencing any problems with the JFS filesystem, say + Y here. This will result in additional debugging messages to be + written to the system log. Under normal circumstances, this + results in very little overhead. + +config JFS_STATISTICS + bool "JFS statistics" + depends on JFS_FS + help + Enabling this option will cause statistics from the JFS file system + to be made available to the user in the /proc/fs/jfs/ directory. diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index d6363d8309d..0f94381ca6d 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -58,9 +58,9 @@ /* * __mark_inode_dirty expects inodes to be hashed. Since we don't want - * special inodes in the fileset inode space, we hash them to a dummy head + * special inodes in the fileset inode space, we make them appear hashed, + * but do not put on any lists. */ -static HLIST_HEAD(aggregate_hash); /* * imap locks @@ -496,7 +496,11 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary) /* release the page */ release_metapage(mp); - hlist_add_head(&ip->i_hash, &aggregate_hash); + /* + * that will look hashed, but won't be on any list; hlist_del() + * will work fine and require no locking. + */ + ip->i_hash.pprev = &ip->i_hash.next; return (ip); } diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 70022fd1c53..d4d142c2edd 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -79,7 +79,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode) inode = new_inode(sb); if (!inode) { jfs_warn("ialloc: new_inode returned NULL!"); - return ERR_PTR(-ENOMEM); + rc = -ENOMEM; + goto fail; } jfs_inode = JFS_IP(inode); @@ -89,8 +90,12 @@ struct inode *ialloc(struct inode *parent, umode_t mode) jfs_warn("ialloc: diAlloc returned %d!", rc); if (rc == -EIO) make_bad_inode(inode); - iput(inode); - return ERR_PTR(rc); + goto fail_put; + } + + if (insert_inode_locked(inode) < 0) { + rc = -EINVAL; + goto fail_unlock; } inode->i_uid = current_fsuid(); @@ -112,11 +117,8 @@ struct inode *ialloc(struct inode *parent, umode_t mode) * Allocate inode to quota. */ if (DQUOT_ALLOC_INODE(inode)) { - DQUOT_DROP(inode); - inode->i_flags |= S_NOQUOTA; - inode->i_nlink = 0; - iput(inode); - return ERR_PTR(-EDQUOT); + rc = -EDQUOT; + goto fail_drop; } inode->i_mode = mode; @@ -158,4 +160,15 @@ struct inode *ialloc(struct inode *parent, umode_t mode) jfs_info("ialloc returns inode = 0x%p\n", inode); return inode; + +fail_drop: + DQUOT_DROP(inode); + inode->i_flags |= S_NOQUOTA; +fail_unlock: + inode->i_nlink = 0; + unlock_new_inode(inode); +fail_put: + iput(inode); +fail: + return ERR_PTR(rc); } diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index cc3cedffbfa..b4de56b851e 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -155,7 +155,6 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode, ip->i_fop = &jfs_file_operations; ip->i_mapping->a_ops = &jfs_aops; - insert_inode_hash(ip); mark_inode_dirty(ip); dip->i_ctime = dip->i_mtime = CURRENT_TIME; @@ -171,9 +170,12 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode, if (rc) { free_ea_wmap(ip); ip->i_nlink = 0; + unlock_new_inode(ip); iput(ip); - } else + } else { d_instantiate(dentry, ip); + unlock_new_inode(ip); + } out2: free_UCSname(&dname); @@ -289,7 +291,6 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode) ip->i_op = &jfs_dir_inode_operations; ip->i_fop = &jfs_dir_operations; - insert_inode_hash(ip); mark_inode_dirty(ip); /* update parent directory inode */ @@ -306,9 +307,12 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode) if (rc) { free_ea_wmap(ip); ip->i_nlink = 0; + unlock_new_inode(ip); iput(ip); - } else + } else { d_instantiate(dentry, ip); + unlock_new_inode(ip); + } out2: free_UCSname(&dname); @@ -1019,7 +1023,6 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, goto out3; } - insert_inode_hash(ip); mark_inode_dirty(ip); dip->i_ctime = dip->i_mtime = CURRENT_TIME; @@ -1039,9 +1042,12 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, if (rc) { free_ea_wmap(ip); ip->i_nlink = 0; + unlock_new_inode(ip); iput(ip); - } else + } else { d_instantiate(dentry, ip); + unlock_new_inode(ip); + } out2: free_UCSname(&dname); @@ -1399,7 +1405,6 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, jfs_ip->dev = new_encode_dev(rdev); init_special_inode(ip, ip->i_mode, rdev); - insert_inode_hash(ip); mark_inode_dirty(ip); dir->i_ctime = dir->i_mtime = CURRENT_TIME; @@ -1417,9 +1422,12 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, if (rc) { free_ea_wmap(ip); ip->i_nlink = 0; + unlock_new_inode(ip); iput(ip); - } else + } else { d_instantiate(dentry, ip); + unlock_new_inode(ip); + } out1: free_UCSname(&dname); diff --git a/fs/jfs/super.c b/fs/jfs/super.c index 0dae345e481..b37d1f78b85 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -543,7 +543,7 @@ out_kfree: return ret; } -static void jfs_write_super_lockfs(struct super_block *sb) +static int jfs_freeze(struct super_block *sb) { struct jfs_sb_info *sbi = JFS_SBI(sb); struct jfs_log *log = sbi->log; @@ -553,9 +553,10 @@ static void jfs_write_super_lockfs(struct super_block *sb) lmLogShutdown(log); updateSuper(sb, FM_CLEAN); } + return 0; } -static void jfs_unlockfs(struct super_block *sb) +static int jfs_unfreeze(struct super_block *sb) { struct jfs_sb_info *sbi = JFS_SBI(sb); struct jfs_log *log = sbi->log; @@ -568,6 +569,7 @@ static void jfs_unlockfs(struct super_block *sb) else txResume(sb); } + return 0; } static int jfs_get_sb(struct file_system_type *fs_type, @@ -735,8 +737,8 @@ static const struct super_operations jfs_super_operations = { .delete_inode = jfs_delete_inode, .put_super = jfs_put_super, .sync_fs = jfs_sync_fs, - .write_super_lockfs = jfs_write_super_lockfs, - .unlockfs = jfs_unlockfs, + .freeze_fs = jfs_freeze, + .unfreeze_fs = jfs_unfreeze, .statfs = jfs_statfs, .remount_fs = jfs_remount, .show_options = jfs_show_options, |