diff options
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r-- | include/linux/fs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index d57bc5df7225..9a3437377f71 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1506,6 +1506,17 @@ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags); * to have different dirent layouts depending on the binary type. */ typedef int (*filldir_t)(void *, const char *, int, loff_t, u64, unsigned); +struct dir_context { + const filldir_t actor; + loff_t pos; +}; + +static inline bool dir_emit(struct dir_context *ctx, + const char *name, int namelen, + u64 ino, unsigned type) +{ + return ctx->actor(ctx, name, namelen, ctx->pos, ino, type) == 0; +} struct block_device_operations; /* These macros are for out of kernel modules to test that @@ -1522,6 +1533,7 @@ struct file_operations { ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t); ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t); int (*readdir) (struct file *, void *, filldir_t); + int (*iterate) (struct file *, struct dir_context *); unsigned int (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); @@ -2495,6 +2507,7 @@ loff_t inode_get_bytes(struct inode *inode); void inode_set_bytes(struct inode *inode, loff_t bytes); extern int vfs_readdir(struct file *, filldir_t, void *); +extern int iterate_dir(struct file *, struct dir_context *); extern int vfs_stat(const char __user *, struct kstat *); extern int vfs_lstat(const char __user *, struct kstat *); |