This patch removes the update of i_atime from autofs4 in favour of
having VFS update it. i_atime is never used for expire in autofs4.
Signed-off-by: Ian Kent <[email protected]>
--- linux-2.6.15-mm3/fs/autofs4/root.c.remove-update_atime 2006-01-13 16:21:05.000000000 +0800
+++ linux-2.6.15-mm3/fs/autofs4/root.c 2006-01-13 16:27:09.000000000 +0800
@@ -84,24 +84,6 @@ static int autofs4_root_readdir(struct f
return dcache_readdir(file, dirent, filldir);
}
-/* Update usage from here to top of tree, so that scan of
- top-level directories will give a useful result */
-static void autofs4_update_usage(struct vfsmount *mnt, struct dentry *dentry)
-{
- struct dentry *top = dentry->d_sb->s_root;
-
- spin_lock(&dcache_lock);
- for(; dentry != top; dentry = dentry->d_parent) {
- struct autofs_info *ino = autofs4_dentry_ino(dentry);
-
- if (ino) {
- touch_atime(mnt, dentry);
- ino->last_used = jiffies;
- }
- }
- spin_unlock(&dcache_lock);
-}
-
static int autofs4_dir_open(struct inode *inode, struct file *file)
{
struct dentry *dentry = file->f_dentry;
@@ -246,10 +228,9 @@ out:
return dcache_readdir(file, dirent, filldir);
}
-static int try_to_fill_dentry(struct vfsmount *mnt, struct dentry *dentry, int flags)
+static int try_to_fill_dentry(struct dentry *dentry, int flags)
{
- struct super_block *sb = mnt->mnt_sb;
- struct autofs_sb_info *sbi = autofs4_sbi(sb);
+ struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
int status = 0;
@@ -323,13 +304,6 @@ static int try_to_fill_dentry(struct vfs
}
}
- /*
- * We don't update the usages for the autofs daemon itself, this
- * is necessary for recursive autofs mounts
- */
- if (!autofs4_oz_mode(sbi))
- autofs4_update_usage(mnt, dentry);
-
/* Initialize expiry counter after successful mount */
if (ino)
ino->last_used = jiffies;
@@ -357,7 +331,7 @@ static int autofs4_revalidate(struct den
/* Pending dentry */
if (autofs4_ispending(dentry)) {
if (!oz_mode)
- status = try_to_fill_dentry(nd->mnt, dentry, flags);
+ status = try_to_fill_dentry(dentry, flags);
return status;
}
@@ -374,15 +348,11 @@ static int autofs4_revalidate(struct den
dentry, dentry->d_name.len, dentry->d_name.name);
spin_unlock(&dcache_lock);
if (!oz_mode)
- status = try_to_fill_dentry(nd->mnt, dentry, flags);
+ status = try_to_fill_dentry(dentry, flags);
return status;
}
spin_unlock(&dcache_lock);
- /* Update the usage list */
- if (!oz_mode)
- autofs4_update_usage(nd->mnt, dentry);
-
return 1;
}
-
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