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Switch may_open() and break_lease() to passing O_... 

... instead of mixing FMODE_ and O_

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-24 06:47:55 -05:00
parent d208bbdda9
commit 8737c9305b
8 changed files with 18 additions and 21 deletions
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2
arch/um/drivers/mconsole_kern.c
View File

@ -140,7 +140,7 @@ void mconsole_proc(struct mc_request *req)
goto out;
}
err = may_open(&nd.path, MAY_READ, FMODE_READ);
err = may_open(&nd.path, MAY_READ, O_RDONLY);
if (result) {
mconsole_reply(req, "Failed to open file", 1, 0);
path_put(&nd.path);

4
fs/cifs/file.c
View File

@ -2289,9 +2289,9 @@ cifs_oplock_break(struct slow_work *work)
if (inode && S_ISREG(inode->i_mode)) {
#ifdef CONFIG_CIFS_EXPERIMENTAL
if (cinode->clientCanCacheAll == 0)
break_lease(inode, FMODE_READ);
break_lease(inode, O_RDONLY);
else if (cinode->clientCanCacheRead == 0)
break_lease(inode, FMODE_WRITE);
break_lease(inode, O_WRONLY);
#endif
rc = filemap_fdatawrite(inode->i_mapping);
if (cinode->clientCanCacheRead == 0) {

5
fs/locks.c
View File

@ -1182,8 +1182,9 @@ int __break_lease(struct inode *inode, unsigned int mode)
struct file_lock *fl;
unsigned long break_time;
int i_have_this_lease = 0;
int want_write = (mode & O_ACCMODE) != O_RDONLY;
new_fl = lease_alloc(NULL, mode & FMODE_WRITE ? F_WRLCK : F_RDLCK);
new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);
lock_kernel();
@ -1197,7 +1198,7 @@ int __break_lease(struct inode *inode, unsigned int mode)
if (fl->fl_owner == current->files)
i_have_this_lease = 1;
if (mode & FMODE_WRITE) {
if (want_write) {
/* If we want write access, we have to revoke any lease. */
future = F_UNLCK | F_INPROGRESS;
} else if (flock->fl_type & F_INPROGRESS) {

10
fs/namei.c
View File

@ -1503,7 +1503,7 @@ int may_open(struct path *path, int acc_mode, int flag)
* An append-only file must be opened in append mode for writing.
*/
if (IS_APPEND(inode)) {
if ((flag & FMODE_WRITE) && !(flag & O_APPEND))
if ((flag & O_ACCMODE) != O_RDONLY && !(flag & O_APPEND))
return -EPERM;
if (flag & O_TRUNC)
return -EPERM;
@ -1547,7 +1547,7 @@ static int handle_truncate(struct path *path)
* what get passed to sys_open().
*/
static int __open_namei_create(struct nameidata *nd, struct path *path,
int flag, int mode)
int open_flag, int mode)
{
int error;
struct dentry *dir = nd->path.dentry;
@ -1565,7 +1565,7 @@ static int __open_namei_create(struct nameidata *nd, struct path *path,
if (error)
return error;
/* Don't check for write permission, don't truncate */
return may_open(&nd->path, 0, flag & ~O_TRUNC);
return may_open(&nd->path, 0, open_flag & ~O_TRUNC);
}
/*
@ -1736,7 +1736,7 @@ struct file *do_filp_open(int dfd, const char *pathname,
error = mnt_want_write(nd.path.mnt);
if (error)
goto exit_mutex_unlock;
error = __open_namei_create(&nd, &path, flag, mode);
error = __open_namei_create(&nd, &path, open_flag, mode);
if (error) {
mnt_drop_write(nd.path.mnt);
goto exit;
@ -1798,7 +1798,7 @@ struct file *do_filp_open(int dfd, const char *pathname,
if (error)
goto exit;
}
error = may_open(&nd.path, acc_mode, flag);
error = may_open(&nd.path, acc_mode, open_flag);
if (error) {
if (will_truncate)
mnt_drop_write(nd.path.mnt);

5
fs/nfsctl.c
View File

@ -36,10 +36,9 @@ static struct file *do_open(char *name, int flags)
return ERR_PTR(error);
if (flags == O_RDWR)
error = may_open(&nd.path, MAY_READ|MAY_WRITE,
FMODE_READ|FMODE_WRITE);
error = may_open(&nd.path, MAY_READ|MAY_WRITE, flags);
else
error = may_open(&nd.path, MAY_WRITE, FMODE_WRITE);
error = may_open(&nd.path, MAY_WRITE, flags);
if (!error)
return dentry_open(nd.path.dentry, nd.path.mnt, flags,

4
fs/nfsd/vfs.c
View File

@ -361,7 +361,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
* If we are changing the size of the file, then
* we need to break all leases.
*/
host_err = break_lease(inode, FMODE_WRITE | O_NONBLOCK);
host_err = break_lease(inode, O_WRONLY | O_NONBLOCK);
if (host_err == -EWOULDBLOCK)
host_err = -ETIMEDOUT;
if (host_err) /* ENOMEM or EWOULDBLOCK */
@ -734,7 +734,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
* Check to see if there are any leases on this file.
* This may block while leases are broken.
*/
host_err = break_lease(inode, O_NONBLOCK | ((access & NFSD_MAY_WRITE) ? FMODE_WRITE : 0));
host_err = break_lease(inode, O_NONBLOCK | ((access & NFSD_MAY_WRITE) ? O_WRONLY : 0));
if (host_err == -EWOULDBLOCK)
host_err = -ETIMEDOUT;
if (host_err) /* NOMEM or WOULDBLOCK */

2
fs/open.c
View File

@ -271,7 +271,7 @@ static long do_sys_truncate(const char __user *pathname, loff_t length)
* Make sure that there are no leases. get_write_access() protects
* against the truncate racing with a lease-granting setlease().
*/
error = break_lease(inode, FMODE_WRITE);
error = break_lease(inode, O_WRONLY);
if (error)
goto put_write_and_out;

7
kernel/sysctl_binary.c
View File

@ -1331,7 +1331,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
ssize_t result;
char *pathname;
int flags;
int acc_mode, fmode;
int acc_mode;
pathname = sysctl_getname(name, nlen, &table);
result = PTR_ERR(pathname);
@ -1342,15 +1342,12 @@ static ssize_t binary_sysctl(const int *name, int nlen,
if (oldval && oldlen && newval && newlen) {
flags = O_RDWR;
acc_mode = MAY_READ | MAY_WRITE;
fmode = FMODE_READ | FMODE_WRITE;
} else if (newval && newlen) {
flags = O_WRONLY;
acc_mode = MAY_WRITE;
fmode = FMODE_WRITE;
} else if (oldval && oldlen) {
flags = O_RDONLY;
acc_mode = MAY_READ;
fmode = FMODE_READ;
} else {
result = 0;
goto out_putname;
@ -1361,7 +1358,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
if (result)
goto out_putname;
result = may_open(&nd.path, acc_mode, fmode);
result = may_open(&nd.path, acc_mode, flags);
if (result)
goto out_putpath;