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authorIngo Molnar <mingo@elte.hu>2009-09-02 15:42:56 -0400
committerIngo Molnar <mingo@elte.hu>2009-09-02 15:42:59 -0400
commitf76bd108e5031202bb40849306f98c4afebe4ef6 (patch)
tree455e14a23642a82513eebd4e4f7d3b76842869cd /fs/hugetlbfs/inode.c
parentcd6feeeafddbef6abfe4d90fb26e42fd844d34ed (diff)
parenteced1dfcfcf6b0a35e925d73916a9d8e36ab5457 (diff)
Merge branch 'perfcounters/urgent' into perfcounters/core
Merge reason: We are going to modify a place modified by perfcounters/urgent. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/hugetlbfs/inode.c')
-rw-r--r--fs/hugetlbfs/inode.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 941c8425c10b..cb88dac8ccaa 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -935,26 +935,28 @@ static int can_do_hugetlb_shm(void)
935 return capable(CAP_IPC_LOCK) || in_group_p(sysctl_hugetlb_shm_group); 935 return capable(CAP_IPC_LOCK) || in_group_p(sysctl_hugetlb_shm_group);
936} 936}
937 937
938struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag) 938struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
939 struct user_struct **user)
939{ 940{
940 int error = -ENOMEM; 941 int error = -ENOMEM;
941 int unlock_shm = 0;
942 struct file *file; 942 struct file *file;
943 struct inode *inode; 943 struct inode *inode;
944 struct dentry *dentry, *root; 944 struct dentry *dentry, *root;
945 struct qstr quick_string; 945 struct qstr quick_string;
946 struct user_struct *user = current_user();
947 946
947 *user = NULL;
948 if (!hugetlbfs_vfsmount) 948 if (!hugetlbfs_vfsmount)
949 return ERR_PTR(-ENOENT); 949 return ERR_PTR(-ENOENT);
950 950
951 if (!can_do_hugetlb_shm()) { 951 if (!can_do_hugetlb_shm()) {
952 if (user_shm_lock(size, user)) { 952 *user = current_user();
953 unlock_shm = 1; 953 if (user_shm_lock(size, *user)) {
954 WARN_ONCE(1, 954 WARN_ONCE(1,
955 "Using mlock ulimits for SHM_HUGETLB deprecated\n"); 955 "Using mlock ulimits for SHM_HUGETLB deprecated\n");
956 } else 956 } else {
957 *user = NULL;
957 return ERR_PTR(-EPERM); 958 return ERR_PTR(-EPERM);
959 }
958 } 960 }
959 961
960 root = hugetlbfs_vfsmount->mnt_root; 962 root = hugetlbfs_vfsmount->mnt_root;
@@ -996,8 +998,10 @@ out_inode:
996out_dentry: 998out_dentry:
997 dput(dentry); 999 dput(dentry);
998out_shm_unlock: 1000out_shm_unlock:
999 if (unlock_shm) 1001 if (*user) {
1000 user_shm_unlock(size, user); 1002 user_shm_unlock(size, *user);
1003 *user = NULL;
1004 }
1001 return ERR_PTR(error); 1005 return ERR_PTR(error);
1002} 1006}
1003 1007