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-rw-r--r--fs/ntfs/inode.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index b24f4c4b2c5c..ea1bd3feea1b 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2125,13 +2125,13 @@ void ntfs_put_inode(struct inode *vi)
ntfs_inode *ni = NTFS_I(vi);
if (NInoIndexAllocPresent(ni)) {
struct inode *bvi = NULL;
- down(&vi->i_sem);
+ mutex_lock(&vi->i_mutex);
if (atomic_read(&vi->i_count) == 2) {
bvi = ni->itype.index.bmp_ino;
if (bvi)
ni->itype.index.bmp_ino = NULL;
}
- up(&vi->i_sem);
+ mutex_unlock(&vi->i_mutex);
if (bvi)
iput(bvi);
}
@@ -2311,7 +2311,7 @@ static const char *es = " Leaving inconsistent metadata. Unmount and run "
*
* Returns 0 on success or -errno on error.
*
- * Called with ->i_sem held. In all but one case ->i_alloc_sem is held for
+ * Called with ->i_mutex held. In all but one case ->i_alloc_sem is held for
* writing. The only case in the kernel where ->i_alloc_sem is not held is
* mm/filemap.c::generic_file_buffered_write() where vmtruncate() is called
* with the current i_size as the offset. The analogous place in NTFS is in
@@ -2767,7 +2767,25 @@ unm_done:
up_write(&ni->runlist.lock);
done:
/* Update the mtime and ctime on the base inode. */
- inode_update_time(VFS_I(base_ni), 1);
+ /* normally ->truncate shouldn't update ctime or mtime,
+ * but ntfs did before so it got a copy & paste version
+ * of file_update_time. one day someone should fix this
+ * for real.
+ */
+ if (!IS_NOCMTIME(VFS_I(base_ni)) && !IS_RDONLY(VFS_I(base_ni))) {
+ struct timespec now = current_fs_time(VFS_I(base_ni)->i_sb);
+ int sync_it = 0;
+
+ if (!timespec_equal(&VFS_I(base_ni)->i_mtime, &now) ||
+ !timespec_equal(&VFS_I(base_ni)->i_ctime, &now))
+ sync_it = 1;
+ VFS_I(base_ni)->i_mtime = now;
+ VFS_I(base_ni)->i_ctime = now;
+
+ if (sync_it)
+ mark_inode_dirty_sync(VFS_I(base_ni));
+ }
+
if (likely(!err)) {
NInoClearTruncateFailed(ni);
ntfs_debug("Done.");
@@ -2831,7 +2849,7 @@ void ntfs_truncate_vfs(struct inode *vi) {
* We also abort all changes of user, group, and mode as we do not implement
* the NTFS ACLs yet.
*
- * Called with ->i_sem held. For the ATTR_SIZE (i.e. ->truncate) case, also
+ * Called with ->i_mutex held. For the ATTR_SIZE (i.e. ->truncate) case, also
* called with ->i_alloc_sem held for writing.
*
* Basically this is a copy of generic notify_change() and inode_setattr()