diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index e0b7de799f6b..3c5e9f18b0d9 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -86,6 +86,7 @@ struct ovl_fh { static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry) { int err = vfs_rmdir(dir, dentry); + pr_debug("rmdir(%pd2) = %i\n", dentry, err); return err; } @@ -93,56 +94,52 @@ static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry) static inline int ovl_do_unlink(struct inode *dir, struct dentry *dentry) { int err = vfs_unlink(dir, dentry, NULL); + pr_debug("unlink(%pd2) = %i\n", dentry, err); return err; } static inline int ovl_do_link(struct dentry *old_dentry, struct inode *dir, - struct dentry *new_dentry, bool debug) + struct dentry *new_dentry) { int err = vfs_link(old_dentry, dir, new_dentry, NULL); - if (debug) { - pr_debug("link(%pd2, %pd2) = %i\n", - old_dentry, new_dentry, err); - } + + pr_debug("link(%pd2, %pd2) = %i\n", old_dentry, new_dentry, err); return err; } static inline int ovl_do_create(struct inode *dir, struct dentry *dentry, - umode_t mode, bool debug) + umode_t mode) { int err = vfs_create(dir, dentry, mode, true); - if (debug) - pr_debug("create(%pd2, 0%o) = %i\n", dentry, mode, err); + + pr_debug("create(%pd2, 0%o) = %i\n", dentry, mode, err); return err; } static inline int ovl_do_mkdir(struct inode *dir, struct dentry *dentry, - umode_t mode, bool debug) + umode_t mode) { int err = vfs_mkdir(dir, dentry, mode); - if (debug) - pr_debug("mkdir(%pd2, 0%o) = %i\n", dentry, mode, err); + pr_debug("mkdir(%pd2, 0%o) = %i\n", dentry, mode, err); return err; } static inline int ovl_do_mknod(struct inode *dir, struct dentry *dentry, - umode_t mode, dev_t dev, bool debug) + umode_t mode, dev_t dev) { int err = vfs_mknod(dir, dentry, mode, dev); - if (debug) { - pr_debug("mknod(%pd2, 0%o, 0%o) = %i\n", - dentry, mode, dev, err); - } + + pr_debug("mknod(%pd2, 0%o, 0%o) = %i\n", dentry, mode, dev, err); return err; } static inline int ovl_do_symlink(struct inode *dir, struct dentry *dentry, - const char *oldname, bool debug) + const char *oldname) { int err = vfs_symlink(dir, dentry, oldname); - if (debug) - pr_debug("symlink(\"%s\", %pd2) = %i\n", oldname, dentry, err); + + pr_debug("symlink(\"%s\", %pd2) = %i\n", oldname, dentry, err); return err; } @@ -168,11 +165,8 @@ static inline int ovl_do_rename(struct inode *olddir, struct dentry *olddentry, { int err; - pr_debug("rename(%pd2, %pd2, 0x%x)\n", - olddentry, newdentry, flags); - + pr_debug("rename(%pd2, %pd2, 0x%x)\n", olddentry, newdentry, flags); err = vfs_rename(olddir, olddentry, newdir, newdentry, NULL, flags); - if (err) { pr_debug("...rename(%pd2, %pd2, ...) = %i\n", olddentry, newdentry, err); @@ -334,12 +328,18 @@ 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 ovl_inode_params { + struct inode *newinode; + struct dentry *upperdentry; + struct ovl_path *lowerpath; + struct dentry *index; + unsigned int numlower; +}; struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, dev_t rdev); struct inode *ovl_lookup_inode(struct super_block *sb, struct dentry *real, bool is_upper); -struct inode *ovl_get_inode(struct super_block *sb, struct dentry *upperdentry, - struct ovl_path *lowerpath, struct dentry *index, - unsigned int numlower); +struct inode *ovl_get_inode(struct super_block *sb, + struct ovl_inode_params *oip); static inline void ovl_copyattr(struct inode *from, struct inode *to) { to->i_uid = from->i_uid; @@ -352,18 +352,21 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to) /* dir.c */ extern const struct inode_operations ovl_dir_inode_operations; -struct dentry *ovl_lookup_temp(struct dentry *workdir); int ovl_cleanup_and_whiteout(struct dentry *workdir, struct inode *dir, struct dentry *dentry); -struct cattr { +struct ovl_cattr { dev_t rdev; umode_t mode; const char *link; + struct dentry *hardlink; }; -int ovl_create_real(struct inode *dir, struct dentry *newdentry, - struct cattr *attr, - struct dentry *hardlink, bool debug); + +#define OVL_CATTR(m) (&(struct ovl_cattr) { .mode = (m) }) + +struct dentry *ovl_create_real(struct inode *dir, struct dentry *newdentry, + struct ovl_cattr *attr); int ovl_cleanup(struct inode *dir, struct dentry *dentry); +struct dentry *ovl_create_temp(struct dentry *workdir, struct ovl_cattr *attr); /* copy_up.c */ int ovl_copy_up(struct dentry *dentry); |