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author | Al Viro <viro@zeniv.linux.org.uk> | 2013-05-15 20:23:06 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-06-29 12:46:48 +0400 |
commit | 5f99f4e79abc64ed9d93a4b0158b21c64ff7f478 (patch) | |
tree | bb76629861592bee919344521fb2d55ce866a17f /include/linux/fs.h | |
parent | 80886298c07234331458e963b5f9f57c68edd700 (diff) | |
download | kernel_goldelico_gta04-5f99f4e79abc64ed9d93a4b0158b21c64ff7f478.zip kernel_goldelico_gta04-5f99f4e79abc64ed9d93a4b0158b21c64ff7f478.tar.gz kernel_goldelico_gta04-5f99f4e79abc64ed9d93a4b0158b21c64ff7f478.tar.bz2 |
[readdir] switch dcache_readdir() users to ->iterate()
new helpers - dir_emit_dot(file, ctx, dentry), dir_emit_dotdot(file, ctx),
dir_emit_dots(file, ctx).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r-- | include/linux/fs.h | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index b9641ae..40293a6 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1511,12 +1511,6 @@ struct dir_context { 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 @@ -2537,7 +2531,7 @@ extern void iterate_supers_type(struct file_system_type *, extern int dcache_dir_open(struct inode *, struct file *); extern int dcache_dir_close(struct inode *, struct file *); extern loff_t dcache_dir_lseek(struct file *, loff_t, int); -extern int dcache_readdir(struct file *, void *, filldir_t); +extern int dcache_readdir(struct file *, struct dir_context *); extern int simple_setattr(struct dentry *, struct iattr *); extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int simple_statfs(struct dentry *, struct kstatfs *); @@ -2701,4 +2695,35 @@ static inline void inode_has_no_xattr(struct inode *inode) inode->i_flags |= S_NOSEC; } +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; +} +static inline bool dir_emit_dot(struct file *file, struct dir_context *ctx) +{ + return ctx->actor(ctx, ".", 1, ctx->pos, + file->f_path.dentry->d_inode->i_ino, DT_DIR) == 0; +} +static inline bool dir_emit_dotdot(struct file *file, struct dir_context *ctx) +{ + return ctx->actor(ctx, "..", 2, ctx->pos, + parent_ino(file->f_path.dentry), DT_DIR) == 0; +} +static inline bool dir_emit_dots(struct file *file, struct dir_context *ctx) +{ + if (ctx->pos == 0) { + if (!dir_emit_dot(file, ctx)) + return false; + ctx->pos = 1; + } + if (ctx->pos == 1) { + if (!dir_emit_dotdot(file, ctx)) + return false; + ctx->pos = 2; + } + return true; +} + #endif /* _LINUX_FS_H */ |