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| author | Jeff Layton <jlayton@kernel.org> | 2023-03-30 06:41:43 -0400 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-04-03 09:23:54 +0200 |
| commit | 364595a6851bf64e1c38224ae68f5dd6651906d1 (patch) | |
| tree | 65fa876608fb79e96d9928685bffba7a6e172856 | |
| parent | 4f704d9a8352f5c0a8fcdb6213b934630342bd44 (diff) | |
| download | lwn-364595a6851bf64e1c38224ae68f5dd6651906d1.tar.gz lwn-364595a6851bf64e1c38224ae68f5dd6651906d1.zip | |
fs: consolidate duplicate dt_type helpers
There are three copies of the same dt_type helper sprinkled around the
tree. Convert them to use the common fs_umode_to_dtype function instead,
which has the added advantage of properly returning DT_UNKNOWN when
given a mode that contains an unrecognized type.
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Phillip Potter <phil@philpotter.co.uk>
Suggested-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Message-Id: <20230330104144.75547-1-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/configfs/dir.c | 9 | ||||
| -rw-r--r-- | fs/kernfs/dir.c | 8 | ||||
| -rw-r--r-- | fs/libfs.c | 9 |
3 files changed, 5 insertions, 21 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 4afcbbe63e68..18677cd4e62f 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1599,12 +1599,6 @@ static int configfs_dir_close(struct inode *inode, struct file *file) return 0; } -/* Relationship between s_mode and the DT_xxx types */ -static inline unsigned char dt_type(struct configfs_dirent *sd) -{ - return (sd->s_mode >> 12) & 15; -} - static int configfs_readdir(struct file *file, struct dir_context *ctx) { struct dentry *dentry = file->f_path.dentry; @@ -1654,7 +1648,8 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx) name = configfs_get_name(next); len = strlen(name); - if (!dir_emit(ctx, name, len, ino, dt_type(next))) + if (!dir_emit(ctx, name, len, ino, + fs_umode_to_dtype(next->s_mode))) return 0; spin_lock(&configfs_dirent_lock); diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index ef00b5fe8cee..90de0e498371 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -1748,12 +1748,6 @@ int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent, return error; } -/* Relationship between mode and the DT_xxx types */ -static inline unsigned char dt_type(struct kernfs_node *kn) -{ - return (kn->mode >> 12) & 15; -} - static int kernfs_dir_fop_release(struct inode *inode, struct file *filp) { kernfs_put(filp->private_data); @@ -1831,7 +1825,7 @@ static int kernfs_fop_readdir(struct file *file, struct dir_context *ctx) pos; pos = kernfs_dir_next_pos(ns, parent, ctx->pos, pos)) { const char *name = pos->name; - unsigned int type = dt_type(pos); + unsigned int type = fs_umode_to_dtype(pos->mode); int len = strlen(name); ino_t ino = kernfs_ino(pos); diff --git a/fs/libfs.c b/fs/libfs.c index 4eda519c3002..89cf614a3271 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -174,12 +174,6 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence) } EXPORT_SYMBOL(dcache_dir_lseek); -/* Relationship between i_mode and the DT_xxx types */ -static inline unsigned char dt_type(struct inode *inode) -{ - return (inode->i_mode >> 12) & 15; -} - /* * Directory is locked and all positive dentries in it are safe, since * for ramfs-type trees they can't go away without unlink() or rmdir(), @@ -206,7 +200,8 @@ int dcache_readdir(struct file *file, struct dir_context *ctx) while ((next = scan_positives(cursor, p, 1, next)) != NULL) { if (!dir_emit(ctx, next->d_name.name, next->d_name.len, - d_inode(next)->i_ino, dt_type(d_inode(next)))) + d_inode(next)->i_ino, + fs_umode_to_dtype(d_inode(next)->i_mode))) break; ctx->pos++; p = &next->d_child; |