[PATCH] Bind Mount Extensions 0.04.1 2/5
From: Herbert Poetzl
Date: Mon Mar 15 2004 - 03:01:08 EST
diff -NurpP --minimal linux-2.6.4-20040314_2308/include/linux/fs.h linux-2.6.4-20040314_2308-bme0.04.1/include/linux/fs.h
--- linux-2.6.4-20040314_2308/include/linux/fs.h 2004-03-15 05:41:50.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/include/linux/fs.h 2004-03-15 06:42:13.000000000 +0100
@@ -214,7 +216,7 @@ extern int leases_enable, dir_notify_ena
#include <asm/byteorder.h>
/* Used to be a macro which just called the function, now just a function */
-extern void update_atime (struct inode *);
+extern void update_atime (struct inode *, struct vfsmount *);
extern void inode_init(unsigned long);
extern void mnt_init(unsigned long);
@@ -1409,7 +1411,7 @@ extern void simple_release_fs(struct vfs
extern int inode_change_ok(struct inode *, struct iattr *);
extern int inode_setattr(struct inode *, struct iattr *);
-extern void inode_update_time(struct inode *inode, int ctime_too);
+extern void inode_update_time(struct inode *inode, int ctime_too, struct vfsmount *mount);
static inline ino_t parent_ino(struct dentry *dentry)
{
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/inode.c linux-2.6.4-20040314_2308-bme0.04.1/fs/inode.c
--- linux-2.6.4-20040314_2308/fs/inode.c 2004-03-15 05:41:49.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/inode.c 2004-03-15 06:32:33.000000000 +0100
@@ -1141,15 +1142,16 @@ static int inode_times_differ(struct ino
* This function automatically handles read only file systems and media,
* as well as the "noatime" flag and inode specific "noatime" markers.
*/
-void update_atime(struct inode *inode)
+void update_atime(struct inode *inode, struct vfsmount *mnt)
{
struct timespec now;
- if (IS_NOATIME(inode))
+ if (IS_NOATIME(inode) || MNT_IS_NOATIME(mnt))
return;
- if (IS_NODIRATIME(inode) && S_ISDIR(inode->i_mode))
+ if (S_ISDIR(inode->i_mode) &&
+ (IS_NODIRATIME(inode) || MNT_IS_NODIRATIME(mnt)))
return;
- if (IS_RDONLY(inode))
+ if (IS_RDONLY(inode, mnt))
return;
now = current_kernel_time();
diff -NurpP --minimal linux-2.6.4-20040314_2308/drivers/char/random.c linux-2.6.4-20040314_2308-bme0.04.1/drivers/char/random.c
--- linux-2.6.4-20040314_2308/drivers/char/random.c 2004-03-11 03:55:22.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/drivers/char/random.c 2004-03-15 06:02:34.000000000 +0100
@@ -1641,7 +1641,7 @@ random_read(struct file * file, char * b
* If we gave the user some bytes, update the access time.
*/
if (count != 0) {
- update_atime(file->f_dentry->d_inode);
+ update_atime(file->f_dentry->d_inode, file->f_vfsmnt);
}
return (count ? count : retval);
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/autofs4/root.c linux-2.6.4-20040314_2308-bme0.04.1/fs/autofs4/root.c
--- linux-2.6.4-20040314_2308/fs/autofs4/root.c 2004-03-11 03:55:21.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/autofs4/root.c 2004-03-15 06:02:34.000000000 +0100
@@ -61,7 +61,8 @@ static void autofs4_update_usage(struct
struct autofs_info *ino = autofs4_dentry_ino(dentry);
if (ino) {
- update_atime(dentry->d_inode);
+ /* Al Viro said: unconditional */
+ update_atime(dentry->d_inode, 0);
ino->last_used = jiffies;
}
}
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/coda/dir.c linux-2.6.4-20040314_2308-bme0.04.1/fs/coda/dir.c
--- linux-2.6.4-20040314_2308/fs/coda/dir.c 2004-03-15 05:41:49.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/coda/dir.c 2004-03-15 06:59:42.000000000 +0100
@@ -512,7 +512,7 @@ int coda_readdir(struct file *coda_file,
ret = -ENOENT;
if (!IS_DEADDIR(host_inode)) {
ret = host_file->f_op->readdir(host_file, filldir, dirent);
- update_atime(host_inode);
+ update_atime(host_inode, host_file->f_vfsmnt);
}
}
out:
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/hugetlbfs/inode.c linux-2.6.4-20040314_2308-bme0.04.1/fs/hugetlbfs/inode.c
--- linux-2.6.4-20040314_2308/fs/hugetlbfs/inode.c 2004-03-11 03:55:44.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/hugetlbfs/inode.c 2004-03-15 06:02:34.000000000 +0100
@@ -62,7 +62,7 @@ static int hugetlbfs_file_mmap(struct fi
vma_len = (loff_t)(vma->vm_end - vma->vm_start);
down(&inode->i_sem);
- update_atime(inode);
+ update_atime(inode, file->f_vfsmnt);
vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
vma->vm_ops = &hugetlb_vm_ops;
ret = hugetlb_prefault(mapping, vma);
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/namei.c linux-2.6.4-20040314_2308-bme0.04.1/fs/namei.c
--- linux-2.6.4-20040314_2308/fs/namei.c 2004-03-11 03:55:25.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/namei.c 2004-03-15 07:29:50.000000000 +0100
@@ -412,7 +416,7 @@ static inline int do_follow_link(struct
goto loop;
current->link_count++;
current->total_link_count++;
- update_atime(dentry->d_inode);
+ update_atime(dentry->d_inode, nd->mnt);
err = dentry->d_inode->i_op->follow_link(dentry, nd);
current->link_count--;
return err;
@@ -1368,7 +1390,7 @@ do_link:
error = security_inode_follow_link(dentry, nd);
if (error)
goto exit_dput;
- update_atime(dentry->d_inode);
+ update_atime(dentry->d_inode, nd->mnt);
error = dentry->d_inode->i_op->follow_link(dentry, nd);
dput(dentry);
if (error)
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/nfsd/vfs.c linux-2.6.4-20040314_2308-bme0.04.1/fs/nfsd/vfs.c
--- linux-2.6.4-20040314_2308/fs/nfsd/vfs.c 2004-03-11 03:55:26.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/nfsd/vfs.c 2004-03-15 06:19:48.000000000 +0100
@@ -1143,7 +1143,7 @@ nfsd_readlink(struct svc_rqst *rqstp, st
if (!inode->i_op || !inode->i_op->readlink)
goto out;
- update_atime(inode);
+ update_atime(inode, fhp->fh_export->ex_mnt);
/* N.B. Why does this call need a get_fs()??
* Remove the set_fs and watch the fireworks:-) --okir
*/
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/pipe.c linux-2.6.4-20040314_2308-bme0.04.1/fs/pipe.c
--- linux-2.6.4-20040314_2308/fs/pipe.c 2004-03-11 03:55:28.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/pipe.c 2004-03-15 06:30:26.000000000 +0100
@@ -165,7 +165,7 @@ pipe_readv(struct file *filp, const stru
kill_fasync(PIPE_FASYNC_WRITERS(*inode), SIGIO, POLL_OUT);
}
if (ret > 0)
- update_atime(inode);
+ update_atime(inode, filp->f_vfsmnt);
return ret;
}
@@ -263,7 +263,7 @@ pipe_writev(struct file *filp, const str
kill_fasync(PIPE_FASYNC_READERS(*inode), SIGIO, POLL_IN);
}
if (ret > 0)
- inode_update_time(inode, 1); /* mtime and ctime */
+ inode_update_time(inode, 1, filp->f_vfsmnt); /* mtime and ctime */
return ret;
}
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/readdir.c linux-2.6.4-20040314_2308-bme0.04.1/fs/readdir.c
--- linux-2.6.4-20040314_2308/fs/readdir.c 2004-03-15 05:41:49.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/readdir.c 2004-03-15 06:54:08.000000000 +0100
@@ -32,7 +32,7 @@ int vfs_readdir(struct file *file, filld
res = -ENOENT;
if (!IS_DEADDIR(inode)) {
res = file->f_op->readdir(file, buf, filler);
- update_atime(inode);
+ update_atime(inode, file->f_vfsmnt);
}
up(&inode->i_sem);
out:
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/reiserfs/file.c linux-2.6.4-20040314_2308-bme0.04.1/fs/reiserfs/file.c
--- linux-2.6.4-20040314_2308/fs/reiserfs/file.c 2004-03-11 03:55:21.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/reiserfs/file.c 2004-03-15 06:30:43.000000000 +0100
@@ -1061,7 +1061,7 @@ ssize_t reiserfs_file_write( struct file
goto out;
remove_suid(file->f_dentry);
- inode_update_time(inode, 1); /* Both mtime and ctime */
+ inode_update_time(inode, 1, file->f_vfsmnt); /* Both mtime and ctime */
// Ok, we are done with all the checks.
diff -NurpP --minimal linux-2.6.4-20040314_2308/fs/stat.c linux-2.6.4-20040314_2308-bme0.04.1/fs/stat.c
--- linux-2.6.4-20040314_2308/fs/stat.c 2004-03-11 03:55:23.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/fs/stat.c 2004-03-15 06:02:34.000000000 +0100
@@ -272,7 +272,7 @@ asmlinkage long sys_readlink(const char
if (inode->i_op && inode->i_op->readlink) {
error = security_inode_readlink(nd.dentry);
if (!error) {
- update_atime(inode);
+ update_atime(inode, nd.mnt);
error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
}
}
diff -NurpP --minimal linux-2.6.4-20040314_2308/ipc/shm.c linux-2.6.4-20040314_2308-bme0.04.1/ipc/shm.c
--- linux-2.6.4-20040314_2308/ipc/shm.c 2004-03-11 03:55:27.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/ipc/shm.c 2004-03-15 06:02:34.000000000 +0100
@@ -149,7 +149,7 @@ static void shm_close (struct vm_area_st
static int shm_mmap(struct file * file, struct vm_area_struct * vma)
{
- update_atime(file->f_dentry->d_inode);
+ update_atime(file->f_dentry->d_inode, file->f_vfsmnt);
vma->vm_ops = &shm_vm_ops;
shm_inc(file->f_dentry->d_inode->i_ino);
return 0;
diff -NurpP --minimal linux-2.6.4-20040314_2308/mm/filemap.c linux-2.6.4-20040314_2308-bme0.04.1/mm/filemap.c
--- linux-2.6.4-20040314_2308/mm/filemap.c 2004-03-11 03:55:25.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/mm/filemap.c 2004-03-15 06:31:00.000000000 +0100
@@ -725,7 +725,7 @@ no_cached_page:
*ppos = ((loff_t) index << PAGE_CACHE_SHIFT) + offset;
if (cached_page)
page_cache_release(cached_page);
- update_atime(inode);
+ update_atime(inode, filp->f_vfsmnt);
}
EXPORT_SYMBOL(do_generic_mapping_read);
@@ -820,7 +820,7 @@ __generic_file_aio_read(struct kiocb *io
if (retval > 0)
*ppos = pos + retval;
}
- update_atime(filp->f_dentry->d_inode);
+ update_atime(filp->f_dentry->d_inode, filp->f_vfsmnt);
goto out;
}
@@ -1357,7 +1357,7 @@ int generic_file_mmap(struct file * file
if (!mapping->a_ops->readpage)
return -ENOEXEC;
- update_atime(inode);
+ update_atime(inode, file->f_vfsmnt);
vma->vm_ops = &generic_file_vm_ops;
return 0;
}
@@ -1783,7 +1783,7 @@ generic_file_aio_write_nolock(struct kio
goto out;
remove_suid(file->f_dentry);
- inode_update_time(inode, 1);
+ inode_update_time(inode, 1, file->f_vfsmnt);
/* coalesce the iovecs and go direct-to-BIO for O_DIRECT */
if (unlikely(file->f_flags & O_DIRECT)) {
diff -NurpP --minimal linux-2.6.4-20040314_2308/mm/shmem.c linux-2.6.4-20040314_2308-bme0.04.1/mm/shmem.c
--- linux-2.6.4-20040314_2308/mm/shmem.c 2004-03-11 03:55:26.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/mm/shmem.c 2004-03-15 06:02:34.000000000 +0100
@@ -1067,7 +1067,7 @@ static int shmem_mmap(struct file *file,
ops = &shmem_vm_ops;
if (!S_ISREG(inode->i_mode))
return -EACCES;
- update_atime(inode);
+ update_atime(inode, file->f_vfsmnt);
vma->vm_ops = ops;
return 0;
}
@@ -1363,7 +1363,7 @@ static void do_shmem_file_read(struct fi
}
*ppos = ((loff_t) index << PAGE_CACHE_SHIFT) + offset;
- update_atime(inode);
+ update_atime(inode, filp->f_vfsmnt);
}
static ssize_t shmem_file_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)
diff -NurpP --minimal linux-2.6.4-20040314_2308/net/unix/af_unix.c linux-2.6.4-20040314_2308-bme0.04.1/net/unix/af_unix.c
--- linux-2.6.4-20040314_2308/net/unix/af_unix.c 2004-03-11 03:55:35.000000000 +0100
+++ linux-2.6.4-20040314_2308-bme0.04.1/net/unix/af_unix.c 2004-03-15 06:02:34.000000000 +0100
@@ -691,7 +691,7 @@ static struct sock *unix_find_other(stru
goto put_fail;
if (u->sk_type == type)
- update_atime(nd.dentry->d_inode);
+ update_atime(nd.dentry->d_inode, nd.mnt);
path_release(&nd);
@@ -707,7 +707,7 @@ static struct sock *unix_find_other(stru
struct dentry *dentry;
dentry = unix_sk(u)->dentry;
if (dentry)
- update_atime(dentry->d_inode);
+ update_atime(dentry->d_inode, nd.mnt);
} else
goto fail;
}
-
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