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[PATCH] f_count may wrap around

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make it atomic_long_t; while we are at it, get rid of useless checks in affs,
hfs and hpfs - ->open() always has it equal to 1, ->release() - to 0.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2008-07-26 00:39:17 -04:00
commit 516e0cc564
11 changed files with 27 additions and 39 deletions
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4
fs/affs/file.c
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@ -46,8 +46,6 @@ const struct inode_operations affs_file_inode_operations = {
static int
affs_file_open(struct inode *inode, struct file *filp)
{
if (atomic_read(&filp->f_count) != 1)
return 0;
pr_debug("AFFS: open(%lu,%d)\n",
inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt));
atomic_inc(&AFFS_I(inode)->i_opencnt);
@ -57,8 +55,6 @@ affs_file_open(struct inode *inode, struct file *filp)
static int
affs_file_release(struct inode *inode, struct file *filp)
{
if (atomic_read(&filp->f_count) != 0)
return 0;
pr_debug("AFFS: release(%lu, %d)\n",
inode->i_ino, atomic_read(&AFFS_I(inode)->i_opencnt));