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OpenCloudOS-Kernel
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[PATCH] remove file.f_maxcount 

struct file cleanup: f_maxcount has an unique value (INT_MAX).  Just use
the hard-wired value.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Eric Dumazet 2005-09-06 15:17:38 -07:00 committed by Linus Torvalds
parent 0730ded5be
commit 2832e9366a
3 changed files with 1 additions and 3 deletions
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1
fs/file_table.c
View File

@ -89,7 +89,6 @@ struct file *get_empty_filp(void)
rwlock_init(&f->f_owner.lock);
/* f->f_version: 0 */
INIT_LIST_HEAD(&f->f_list);
f->f_maxcount = INT_MAX;
return f;
over:

2
fs/read_write.c
View File

@ -188,7 +188,7 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
struct inode *inode;
loff_t pos;
if (unlikely(count > file->f_maxcount))
if (unlikely(count > INT_MAX))
goto Einval;
pos = *ppos;
if (unlikely((pos < 0) || (loff_t) (pos + count) < 0))

1
include/linux/fs.h
View File

@ -594,7 +594,6 @@ struct file {
unsigned int f_uid, f_gid;
struct file_ra_state f_ra;
size_t f_maxcount;
unsigned long f_version;
void *f_security;