Merge tag 'xfs-5.8-merge-9' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

[linux-2.6-microblaze.git] / mm / msync.c

diff --git a/mm/msync.c b/mm/msync.c
index c3bd3e7..69c6d20 100644 (file)
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -57,7 +57,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
         * If the interval [start,end) covers some unmapped address ranges,
         * just ignore them, but return -ENOMEM at the end.
         */
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        vma = find_vma(mm, start);
        for (;;) {
                struct file *file;
@@ -88,12 +88,12 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
                if ((flags & MS_SYNC) && file &&
                                (vma->vm_flags & VM_SHARED)) {
                        get_file(file);
-                       up_read(&mm->mmap_sem);
+                       mmap_read_unlock(mm);
                        error = vfs_fsync_range(file, fstart, fend, 1);
                        fput(file);
                        if (error || start >= end)
                                goto out;
-                       down_read(&mm->mmap_sem);
+                       mmap_read_lock(mm);
                        vma = find_vma(mm, start);
                } else {
                        if (start >= end) {
@@ -104,7 +104,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
                }
        }
 out_unlock:
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
 out:
        return error ? : unmapped_error;
 }