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-rw-r--r--fs/fs-writeback.c12
-rw-r--r--include/linux/writeback.h1
2 files changed, 2 insertions, 11 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index d0ff0b8cf309..d99601af9e48 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -421,9 +421,6 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
* If we're a pdlfush thread, then implement pdflush collision avoidance
* against the entire list.
*
- * WB_SYNC_HOLD is a hack for sys_sync(): reattach the inode to sb->s_dirty so
- * that it can be located for waiting on in __writeback_single_inode().
- *
* If `bdi' is non-zero then we're being asked to writeback a specific queue.
* This function assumes that the blockdev superblock's inodes are backed by
* a variety of queues, so all inodes are searched. For other superblocks,
@@ -499,10 +496,6 @@ void generic_sync_sb_inodes(struct super_block *sb,
__iget(inode);
pages_skipped = wbc->pages_skipped;
__writeback_single_inode(inode, wbc);
- if (wbc->sync_mode == WB_SYNC_HOLD) {
- inode->dirtied_when = jiffies;
- list_move(&inode->i_list, &sb->s_dirty);
- }
if (current_is_pdflush())
writeback_release(bdi);
if (wbc->pages_skipped != pages_skipped) {
@@ -588,8 +581,7 @@ restart:
/*
* writeback and wait upon the filesystem's dirty inodes. The caller will
- * do this in two passes - one to write, and one to wait. WB_SYNC_HOLD is
- * used to park the written inodes on sb->s_dirty for the wait pass.
+ * do this in two passes - one to write, and one to wait.
*
* A finite limit is set on the number of pages which will be written.
* To prevent infinite livelock of sys_sync().
@@ -600,7 +592,7 @@ restart:
void sync_inodes_sb(struct super_block *sb, int wait)
{
struct writeback_control wbc = {
- .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_HOLD,
+ .sync_mode = wait ? WB_SYNC_ALL : WB_SYNC_NONE,
.range_start = 0,
.range_end = LLONG_MAX,
};
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index bb28c975c1d7..7300ecdc480c 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -30,7 +30,6 @@ static inline int task_is_pdflush(struct task_struct *task)
enum writeback_sync_modes {
WB_SYNC_NONE, /* Don't wait on anything */
WB_SYNC_ALL, /* Wait on every mapping */
- WB_SYNC_HOLD, /* Hold the inode on sb_dirty for sys_sync() */
};
/*