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authorJ. Bruce Fields <bfields@citi.umich.edu>2010-03-10 01:22:08 +0300
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-03-10 01:22:08 +0300
commite739cf1da48e841bc5d744a99764c1a668b4bdd2 (patch)
tree1d39318bbbcdd66ad8cd34823ad9befb7af08b1f /fs/nfsd
parente7b184f199fd3c80b618ec8244cbda70857d2779 (diff)
parent57d54889cd00db2752994b389ba714138652e60c (diff)
downloadlinux-e739cf1da48e841bc5d744a99764c1a668b4bdd2.tar.xz
Merge commit 'v2.6.34-rc1' into for-2.6.35-incoming
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c2
-rw-r--r--fs/nfsd/nfs4xdr.c12
-rw-r--r--fs/nfsd/vfs.c8
3 files changed, 13 insertions, 9 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 6edfe23694e6..efef7f2442d5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1998,7 +1998,9 @@ nfs4_file_downgrade(struct file *filp, unsigned int share_access)
{
if (share_access & NFS4_SHARE_ACCESS_WRITE) {
drop_file_write_access(filp);
+ spin_lock(&filp->f_lock);
filp->f_mode = (filp->f_mode | FMODE_READ) & ~FMODE_WRITE;
+ spin_unlock(&filp->f_lock);
}
}
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f61bd736152b..fb27b1db007b 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2121,9 +2121,15 @@ out_acl:
* and this is the root of a cross-mounted filesystem.
*/
if (ignore_crossmnt == 0 &&
- exp->ex_path.mnt->mnt_root->d_inode == dentry->d_inode) {
- err = vfs_getattr(exp->ex_path.mnt->mnt_parent,
- exp->ex_path.mnt->mnt_mountpoint, &stat);
+ dentry == exp->ex_path.mnt->mnt_root) {
+ struct path path = exp->ex_path;
+ path_get(&path);
+ while (follow_up(&path)) {
+ if (path.dentry != path.mnt->mnt_root)
+ break;
+ }
+ err = vfs_getattr(path.mnt, path.dentry, &stat);
+ path_put(&path);
if (err)
goto out_nfserr;
}
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 43bd776c4882..a11b0e8678ee 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -20,7 +20,6 @@
#include <linux/fcntl.h>
#include <linux/namei.h>
#include <linux/delay.h>
-#include <linux/quotaops.h>
#include <linux/fsnotify.h>
#include <linux/posix_acl_xattr.h>
#include <linux/xattr.h>
@@ -389,7 +388,7 @@ 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 */
@@ -405,7 +404,6 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
put_write_access(inode);
goto out_nfserr;
}
- vfs_dq_init(inode);
}
/* sanitize the mode change */
@@ -762,7 +760,7 @@ 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 */
@@ -773,8 +771,6 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
flags = O_RDWR|O_LARGEFILE;
else
flags = O_WRONLY|O_LARGEFILE;
-
- vfs_dq_init(inode);
}
*filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt),
flags, current_cred());