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authorThomas Gleixner <tglx@linutronix.de>2012-11-21 14:31:52 -0500
committerThomas Gleixner <tglx@linutronix.de>2012-11-21 14:31:52 -0500
commit9c3f9e281697d02889c3b08922f3b30be75f56c2 (patch)
treee9f3d68e0019a47b982e2b8644f70eb66a3eff3c /fs/nfs/namespace.c
parentb8f61116c1ce342804a0897b0a80eb4df5f19453 (diff)
parentd6ad418763888f617ac5b4849823e4cd670df1dd (diff)
Merge branch 'fortglx/3.8/time' of git://git.linaro.org/people/jstultz/linux into timers/core
Fix trivial conflicts in: kernel/time/tick-sched.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/nfs/namespace.c')
-rw-r--r--fs/nfs/namespace.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 655925373b91..dd057bc6b65b 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -33,6 +33,7 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
33 * @dentry - pointer to dentry 33 * @dentry - pointer to dentry
34 * @buffer - result buffer 34 * @buffer - result buffer
35 * @buflen - length of buffer 35 * @buflen - length of buffer
36 * @flags - options (see below)
36 * 37 *
37 * Helper function for constructing the server pathname 38 * Helper function for constructing the server pathname
38 * by arbitrary hashed dentry. 39 * by arbitrary hashed dentry.
@@ -40,8 +41,14 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ;
40 * This is mainly for use in figuring out the path on the 41 * This is mainly for use in figuring out the path on the
41 * server side when automounting on top of an existing partition 42 * server side when automounting on top of an existing partition
42 * and in generating /proc/mounts and friends. 43 * and in generating /proc/mounts and friends.
44 *
45 * Supported flags:
46 * NFS_PATH_CANONICAL: ensure there is exactly one slash after
47 * the original device (export) name
48 * (if unset, the original name is returned verbatim)
43 */ 49 */
44char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen) 50char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen,
51 unsigned flags)
45{ 52{
46 char *end; 53 char *end;
47 int namelen; 54 int namelen;
@@ -74,7 +81,7 @@ rename_retry:
74 rcu_read_unlock(); 81 rcu_read_unlock();
75 goto rename_retry; 82 goto rename_retry;
76 } 83 }
77 if (*end != '/') { 84 if ((flags & NFS_PATH_CANONICAL) && *end != '/') {
78 if (--buflen < 0) { 85 if (--buflen < 0) {
79 spin_unlock(&dentry->d_lock); 86 spin_unlock(&dentry->d_lock);
80 rcu_read_unlock(); 87 rcu_read_unlock();
@@ -91,9 +98,11 @@ rename_retry:
91 return end; 98 return end;
92 } 99 }
93 namelen = strlen(base); 100 namelen = strlen(base);
94 /* Strip off excess slashes in base string */ 101 if (flags & NFS_PATH_CANONICAL) {
95 while (namelen > 0 && base[namelen - 1] == '/') 102 /* Strip off excess slashes in base string */
96 namelen--; 103 while (namelen > 0 && base[namelen - 1] == '/')
104 namelen--;
105 }
97 buflen -= namelen; 106 buflen -= namelen;
98 if (buflen < 0) { 107 if (buflen < 0) {
99 spin_unlock(&dentry->d_lock); 108 spin_unlock(&dentry->d_lock);