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f2fs: add the flush_merge handle in the remount flow

PATCH In review Gu Zheng 1 participant 1 message Apr 11, 2014

Subsystems (2)
VFS F2FS file system
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Gu Zheng

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PATCH 5/7 f2fs: add the flush_merge handle in the remount flow

Add the *remount* handle of flush_merge option, so that the users can enable flush_merge in the runtime, such as the underlying device handles the cache_flush command relatively slowly.

Signed-off-by Gu Zheng <[email protected]>
---
 fs/f2fs/f2fs.h    |    1 +
 fs/f2fs/segment.c |    2 +-
 fs/f2fs/super.c   |   45 +++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 45 insertions(+), 3 deletions(-)
fs/f2fs/f2fs.h +1 -0
index 90109fa..1130f9c 100644
@@ -1174,6 +1174,7 @@ void destroy_node_manager_caches(void);
  */
 void f2fs_balance_fs(struct f2fs_sb_info *);
 void f2fs_balance_fs_bg(struct f2fs_sb_info *);
+int issue_flush_thread(void *);
 int f2fs_issue_flush(struct f2fs_sb_info *);
 void invalidate_blocks(struct f2fs_sb_info *, block_t);
 void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t);
fs/f2fs/segment.c +1 -1
index 6672570..5c30255 100644
@@ -197,7 +197,7 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
 		f2fs_sync_fs(sbi->sb, true);
 }
 
-static int issue_flush_thread(void *data)
+int issue_flush_thread(void *data)
 {
 	struct f2fs_sb_info *sbi = data;
 	struct f2fs_sm_info *sm_i = SM_I(sbi);
fs/f2fs/super.c +43 -2

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Signature · 9 lines
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