Commit 7a8884fe authored by Zhihao Cheng's avatar Zhihao Cheng Committed by Richard Weinberger
Browse files

ubifs: Fix wrong number of inodes locked by ui_mutex in ubifs_inode comment 



Since 9ec64962("ubifs: Implement RENAME_EXCHANGE") and
9e0a1fff("ubifs: Implement RENAME_WHITEOUT") are applied,
ubifs_rename locks and changes 4 ubifs inodes, correct the comment
for ui_mutex in ubifs_inode.

Signed-off-by: default avatarZhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent afd42704

fs/ubifs/ubifs.h

+1 −1
Original line number Diff line number Diff line
@@ -381,7 +381,7 @@ struct ubifs_gced_idx_leb { 
 * @ui_mutex exists for two main reasons. At first it prevents inodes from

 * being written back while UBIFS changing them, being in the middle of an VFS

 * operation. This way UBIFS makes sure the inode fields are consistent. For

 * example, in 'ubifs_rename()' we change 3 inodes simultaneously, and

 * example, in 'ubifs_rename()' we change 4 inodes simultaneously, and

 * write-back must not write any of them before we have finished.

 *

 * The second reason is budgeting - UBIFS has to budget all operations. If an