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[readdir] convert procfs

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-05-16 12:07:31 -04:00
parent 68c6147113
commit f0c3b5093a
9 changed files with 283 additions and 488 deletions
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19
fs/proc/root.c
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@@ -202,21 +202,14 @@ static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentr
return proc_pid_lookup(dir, dentry, flags);
}
static int proc_root_readdir(struct file * filp,
void * dirent, filldir_t filldir)
static int proc_root_readdir(struct file *file, struct dir_context *ctx)
{
unsigned int nr = filp->f_pos;
int ret;
if (nr < FIRST_PROCESS_ENTRY) {
int error = proc_readdir(filp, dirent, filldir);
if (error <= 0)
return error;
filp->f_pos = FIRST_PROCESS_ENTRY;
if (ctx->pos < FIRST_PROCESS_ENTRY) {
proc_readdir(file, ctx);
ctx->pos = FIRST_PROCESS_ENTRY;
}
ret = proc_pid_readdir(filp, dirent, filldir);
return ret;
return proc_pid_readdir(file, ctx);
}
/*
@@ -226,7 +219,7 @@ static int proc_root_readdir(struct file * filp,
*/
static const struct file_operations proc_root_operations = {
.read = generic_read_dir,
.readdir = proc_root_readdir,
.iterate = proc_root_readdir,
.llseek = default_llseek,
};