diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/overlayfs/dir.c | 2 | ||||
-rw-r--r-- | fs/overlayfs/inode.c | 24 | ||||
-rw-r--r-- | fs/overlayfs/overlayfs.h | 2 | ||||
-rw-r--r-- | fs/overlayfs/super.c | 7 |
4 files changed, 16 insertions, 19 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 617b616ab03b..4ef0d539b097 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -537,7 +537,7 @@ static int ovl_create_object(struct dentry *dentry, int mode, dev_t rdev, goto out; err = -ENOMEM; - inode = ovl_new_inode(dentry->d_sb, mode); + inode = ovl_new_inode(dentry->d_sb, mode, rdev); if (!inode) goto out_drop_write; diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index a572e38349f6..a10e948d24fa 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -333,7 +333,7 @@ static const struct inode_operations ovl_symlink_inode_operations = { .update_time = ovl_update_time, }; -static void ovl_fill_inode(struct inode *inode, umode_t mode) +static void ovl_fill_inode(struct inode *inode, umode_t mode, dev_t rdev) { inode->i_ino = get_next_ino(); inode->i_mode = mode; @@ -342,8 +342,11 @@ static void ovl_fill_inode(struct inode *inode, umode_t mode) inode->i_acl = inode->i_default_acl = ACL_DONT_CACHE; #endif - mode &= S_IFMT; - switch (mode) { + switch (mode & S_IFMT) { + case S_IFREG: + inode->i_op = &ovl_file_inode_operations; + break; + case S_IFDIR: inode->i_op = &ovl_dir_inode_operations; inode->i_fop = &ovl_dir_operations; @@ -354,26 +357,19 @@ static void ovl_fill_inode(struct inode *inode, umode_t mode) break; default: - WARN(1, "illegal file type: %i\n", mode); - /* Fall through */ - - case S_IFREG: - case S_IFSOCK: - case S_IFBLK: - case S_IFCHR: - case S_IFIFO: inode->i_op = &ovl_file_inode_operations; + init_special_inode(inode, mode, rdev); break; } } -struct inode *ovl_new_inode(struct super_block *sb, umode_t mode) +struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev) { struct inode *inode; inode = new_inode(sb); if (inode) - ovl_fill_inode(inode, mode); + ovl_fill_inode(inode, mode, rdev); return inode; } @@ -397,7 +393,7 @@ struct inode *ovl_get_inode(struct super_block *sb, struct inode *realinode) inode = iget5_locked(sb, (unsigned long) realinode, ovl_inode_test, ovl_inode_set, realinode); if (inode && inode->i_state & I_NEW) { - ovl_fill_inode(inode, realinode->i_mode); + ovl_fill_inode(inode, realinode->i_mode, realinode->i_rdev); set_nlink(inode, realinode->i_nlink); unlock_new_inode(inode); } diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index e218e741cb99..95d0d86c2d54 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -195,7 +195,7 @@ int ovl_open_maybe_copy_up(struct dentry *dentry, unsigned int file_flags); int ovl_update_time(struct inode *inode, struct timespec *ts, int flags); bool ovl_is_private_xattr(const char *name); -struct inode *ovl_new_inode(struct super_block *sb, umode_t mode); +struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev); struct inode *ovl_get_inode(struct super_block *sb, struct inode *realinode); static inline void ovl_copyattr(struct inode *from, struct inode *to) { diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 0e100856c7b8..e296312005cc 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -304,7 +304,7 @@ static struct dentry *ovl_d_real(struct dentry *dentry, { struct dentry *real; - if (d_is_dir(dentry)) { + if (!d_is_reg(dentry)) { if (!inode || inode == d_inode(dentry)) return dentry; goto bug; @@ -575,7 +575,8 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, if (upperdentry && !d_is_dir(upperdentry)) { inode = ovl_get_inode(dentry->d_sb, realinode); } else { - inode = ovl_new_inode(dentry->d_sb, realinode->i_mode); + inode = ovl_new_inode(dentry->d_sb, realinode->i_mode, + realinode->i_rdev); if (inode) ovl_inode_init(inode, realinode, !!upperdentry); } @@ -1324,7 +1325,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) sb->s_fs_info = ufs; sb->s_flags |= MS_POSIXACL | MS_NOREMOTELOCK; - root_dentry = d_make_root(ovl_new_inode(sb, S_IFDIR)); + root_dentry = d_make_root(ovl_new_inode(sb, S_IFDIR, 0)); if (!root_dentry) goto out_free_oe; |