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[PATCH] Fix of bogus file max limit messages 

This patch fixes incorrect and bogus kernel messages that file-max limit
reached when the allocation fails

Signed-Off-By: Kirill Korotaev <dev@sw.ru>
Signed-Off-By: Denis Lunev <den@sw.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Kirill Korotaev 2005-06-23 00:09:50 -07:00 committed by Linus Torvalds
parent c663e5d80e
commit af4d2ecbf0
1 changed files with 29 additions and 26 deletions
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55
fs/file_table.c
View File

@ -63,42 +63,45 @@ static inline void file_free(struct file *f)
*/
struct file *get_empty_filp(void)
{
static int old_max;
static int old_max;
struct file * f;
/*
* Privileged users can go above max_files
*/
if (files_stat.nr_files < files_stat.max_files ||
capable(CAP_SYS_ADMIN)) {
f = kmem_cache_alloc(filp_cachep, GFP_KERNEL);
if (f) {
memset(f, 0, sizeof(*f));
if (security_file_alloc(f)) {
file_free(f);
goto fail;
}
eventpoll_init_file(f);
atomic_set(&f->f_count, 1);
f->f_uid = current->fsuid;
f->f_gid = current->fsgid;
rwlock_init(&f->f_owner.lock);
/* f->f_version: 0 */
INIT_LIST_HEAD(&f->f_list);
f->f_maxcount = INT_MAX;
return f;
}
}
if (files_stat.nr_files >= files_stat.max_files &&
!capable(CAP_SYS_ADMIN))
goto over;
f = kmem_cache_alloc(filp_cachep, GFP_KERNEL);
if (f == NULL)
goto fail;
memset(f, 0, sizeof(*f));
if (security_file_alloc(f))
goto fail_sec;
eventpoll_init_file(f);
atomic_set(&f->f_count, 1);
f->f_uid = current->fsuid;
f->f_gid = current->fsgid;
rwlock_init(&f->f_owner.lock);
/* f->f_version: 0 */
INIT_LIST_HEAD(&f->f_list);
f->f_maxcount = INT_MAX;
return f;
over:
/* Ran out of filps - report that */
if (files_stat.max_files >= old_max) {
if (files_stat.nr_files > old_max) {
printk(KERN_INFO "VFS: file-max limit %d reached\n",
files_stat.max_files);
old_max = files_stat.max_files;
} else {
/* Big problems... */
printk(KERN_WARNING "VFS: filp allocation failed\n");
old_max = files_stat.nr_files;
}
goto fail;
fail_sec:
file_free(f);
fail:
return NULL;
}