diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2011-12-08 00:16:57 +0100 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-07 05:16:53 +0100 |
commit | d8c9584ea2a92879f471fd3a2be3af6c534fb035 (patch) | |
tree | 3541b9c6228f820bdc65e4875156eb27b1c91cb1 | |
parent | Merge branches 'vfsmount-guts', 'umode_t' and 'partitions' into Z (diff) | |
download | linux-d8c9584ea2a92879f471fd3a2be3af6c534fb035.tar.xz linux-d8c9584ea2a92879f471fd3a2be3af6c534fb035.zip |
vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r-- | fs/autofs4/dev-ioctl.c | 10 | ||||
-rw-r--r-- | fs/binfmt_misc.c | 6 | ||||
-rw-r--r-- | fs/ext3/super.c | 2 | ||||
-rw-r--r-- | fs/ext4/super.c | 2 | ||||
-rw-r--r-- | fs/fhandle.c | 4 | ||||
-rw-r--r-- | fs/lockd/svcsubs.c | 2 | ||||
-rw-r--r-- | fs/nfsd/nfsctl.c | 2 | ||||
-rw-r--r-- | fs/quota/dquot.c | 2 | ||||
-rw-r--r-- | fs/reiserfs/super.c | 2 | ||||
-rw-r--r-- | fs/sysv/itree.c | 2 | ||||
-rw-r--r-- | init/do_mounts.c | 10 | ||||
-rw-r--r-- | kernel/acct.c | 2 | ||||
-rw-r--r-- | security/selinux/hooks.c | 2 | ||||
-rw-r--r-- | security/smack/smack_lsm.c | 4 |
14 files changed, 27 insertions, 25 deletions
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 509fe1eb66ae..76741d8d7786 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -194,7 +194,7 @@ static int find_autofs_mount(const char *pathname, return err; err = -ENOENT; while (path.dentry == path.mnt->mnt_root) { - if (path.mnt->mnt_sb->s_magic == AUTOFS_SUPER_MAGIC) { + if (path.dentry->d_sb->s_magic == AUTOFS_SUPER_MAGIC) { if (test(&path, data)) { path_get(&path); if (!err) /* already found some */ @@ -212,7 +212,7 @@ static int find_autofs_mount(const char *pathname, static int test_by_dev(struct path *path, void *p) { - return path->mnt->mnt_sb->s_dev == *(dev_t *)p; + return path->dentry->d_sb->s_dev == *(dev_t *)p; } static int test_by_type(struct path *path, void *p) @@ -538,11 +538,11 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, err = find_autofs_mount(name, &path, test_by_type, &type); if (err) goto out; - devid = new_encode_dev(path.mnt->mnt_sb->s_dev); + devid = new_encode_dev(path.dentry->d_sb->s_dev); err = 0; if (path.mnt->mnt_root == path.dentry) { err = 1; - magic = path.mnt->mnt_sb->s_magic; + magic = path.dentry->d_sb->s_magic; } } else { dev_t dev = sbi->sb->s_dev; @@ -556,7 +556,7 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, err = have_submounts(path.dentry); if (follow_down_one(&path)) - magic = path.mnt->mnt_sb->s_magic; + magic = path.dentry->d_sb->s_magic; } param->ismountpoint.out.devid = devid; diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 1e9edbdeda7e..a9198dfd5f85 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -560,7 +560,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer, break; case 2: set_bit(Enabled, &e->flags); break; - case 3: root = dget(file->f_path.mnt->mnt_sb->s_root); + case 3: root = dget(file->f_path.dentry->d_sb->s_root); mutex_lock(&root->d_inode->i_mutex); kill_node(e); @@ -587,7 +587,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer, Node *e; struct inode *inode; struct dentry *root, *dentry; - struct super_block *sb = file->f_path.mnt->mnt_sb; + struct super_block *sb = file->f_path.dentry->d_sb; int err = 0; e = create_entry(buffer, count); @@ -666,7 +666,7 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer, switch (res) { case 1: enabled = 0; break; case 2: enabled = 1; break; - case 3: root = dget(file->f_path.mnt->mnt_sb->s_root); + case 3: root = dget(file->f_path.dentry->d_sb->s_root); mutex_lock(&root->d_inode->i_mutex); while (!list_empty(&entries)) diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 668c931b2214..7e8944ee67c6 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -2909,7 +2909,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id, return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) return -EXDEV; /* Journaling quota? */ if (EXT3_SB(sb)->s_qf_names[type]) { diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2a1a9e63cffa..b739b210a616 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -4781,7 +4781,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) return -EXDEV; /* Journaling quota? */ if (EXT4_SB(sb)->s_qf_names[type]) { diff --git a/fs/fhandle.c b/fs/fhandle.c index 5eff7116951e..a48e4a139be1 100644 --- a/fs/fhandle.c +++ b/fs/fhandle.c @@ -25,8 +25,8 @@ static long do_sys_name_to_handle(struct path *path, * We need t make sure wether the file system * support decoding of the file handle */ - if (!path->mnt->mnt_sb->s_export_op || - !path->mnt->mnt_sb->s_export_op->fh_to_dentry) + if (!path->dentry->d_sb->s_export_op || + !path->dentry->d_sb->s_export_op->fh_to_dentry) return -EOPNOTSUPP; if (copy_from_user(&f_handle, ufh, sizeof(struct file_handle))) diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c index 1ca0679c80bf..2240d384d787 100644 --- a/fs/lockd/svcsubs.c +++ b/fs/lockd/svcsubs.c @@ -403,7 +403,7 @@ nlmsvc_match_sb(void *datap, struct nlm_file *file) { struct super_block *sb = datap; - return sb == file->f_file->f_path.mnt->mnt_sb; + return sb == file->f_file->f_path.dentry->d_sb; } /** diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index c45a2ea4a090..bb4a11d58a5a 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -272,7 +272,7 @@ static ssize_t write_unlock_fs(struct file *file, char *buf, size_t size) * 2. Is that directory a mount point, or * 3. Is that directory the root of an exported file system? */ - error = nlmsvc_unlock_all_by_sb(path.mnt->mnt_sb); + error = nlmsvc_unlock_all_by_sb(path.dentry->d_sb); path_put(&path); return error; diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 5d81e92daf83..5ec59b20cf76 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2198,7 +2198,7 @@ int dquot_quota_on(struct super_block *sb, int type, int format_id, if (error) return error; /* Quota file not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) error = -EXDEV; else error = vfs_load_quota_inode(path->dentry->d_inode, type, diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 5a4cae7efc43..1abffa451529 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -2058,7 +2058,7 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) { + if (path->dentry->d_sb != sb) { err = -EXDEV; goto out; } diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index fa8d43c92bb8..90b54b438789 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -442,7 +442,7 @@ static unsigned sysv_nblocks(struct super_block *s, loff_t size) int sysv_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { - struct super_block *s = mnt->mnt_sb; + struct super_block *s = dentry->d_sb; generic_fillattr(dentry->d_inode, stat); stat->blocks = (s->s_blocksize / 512) * sysv_nblocks(s, stat->size); stat->blksize = s->s_blocksize; diff --git a/init/do_mounts.c b/init/do_mounts.c index 0f6e1d985a3b..b2eee02e0f83 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -325,17 +325,19 @@ static void __init get_fs_names(char *page) static int __init do_mount_root(char *name, char *fs, int flags, void *data) { + struct super_block *s; int err = sys_mount(name, "/root", fs, flags, data); if (err) return err; sys_chdir((const char __user __force *)"/root"); - ROOT_DEV = current->fs->pwd.mnt->mnt_sb->s_dev; + s = current->fs->pwd.dentry->d_sb; + ROOT_DEV = s->s_dev; printk(KERN_INFO "VFS: Mounted root (%s filesystem)%s on device %u:%u.\n", - current->fs->pwd.mnt->mnt_sb->s_type->name, - current->fs->pwd.mnt->mnt_sb->s_flags & MS_RDONLY ? - " readonly" : "", MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); + s->s_type->name, + s->s_flags & MS_RDONLY ? " readonly" : "", + MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); return 0; } diff --git a/kernel/acct.c b/kernel/acct.c index 8cba12429d82..9663eb8058f9 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -315,7 +315,7 @@ void acct_auto_close(struct super_block *sb) spin_lock(&acct_lock); restart: list_for_each_entry(acct, &acct_list, list) - if (acct->file && acct->file->f_path.mnt->mnt_sb == sb) { + if (acct->file && acct->file->f_path.dentry->d_sb == sb) { acct_file_reopen(acct, NULL, NULL); goto restart; } diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 4def4d92aaee..57546cfb18ec 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2507,7 +2507,7 @@ static int selinux_mount(char *dev_name, const struct cred *cred = current_cred(); if (flags & MS_REMOUNT) - return superblock_has_perm(cred, path->mnt->mnt_sb, + return superblock_has_perm(cred, path->dentry->d_sb, FILESYSTEM__REMOUNT, NULL); else return path_has_perm(cred, path, FILE__MOUNTON); diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 7db62b48eb42..e8af5b0ba80f 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -406,7 +406,7 @@ static int smack_sb_statfs(struct dentry *dentry) static int smack_sb_mount(char *dev_name, struct path *path, char *type, unsigned long flags, void *data) { - struct superblock_smack *sbp = path->mnt->mnt_sb->s_security; + struct superblock_smack *sbp = path->dentry->d_sb->s_security; struct smk_audit_info ad; smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); @@ -435,7 +435,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags) smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); smk_ad_setfield_u_fs_path(&ad, path); - sbp = mnt->mnt_sb->s_security; + sbp = path.dentry->d_sb->s_security; return smk_curacc(sbp->smk_floor, MAY_WRITE, &ad); } |