diff options
Diffstat (limited to 'include/linux/writeback.h')
| -rw-r--r-- | include/linux/writeback.h | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index cc97d6caf2b3..c24eca71e80c 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h | |||
| @@ -27,10 +27,6 @@ enum writeback_sync_modes { | |||
| 27 | * in a manner such that unspecified fields are set to zero. | 27 | * in a manner such that unspecified fields are set to zero. |
| 28 | */ | 28 | */ |
| 29 | struct writeback_control { | 29 | struct writeback_control { |
| 30 | struct backing_dev_info *bdi; /* If !NULL, only write back this | ||
| 31 | queue */ | ||
| 32 | struct super_block *sb; /* if !NULL, only write inodes from | ||
| 33 | this super_block */ | ||
| 34 | enum writeback_sync_modes sync_mode; | 30 | enum writeback_sync_modes sync_mode; |
| 35 | unsigned long *older_than_this; /* If !NULL, only write back inodes | 31 | unsigned long *older_than_this; /* If !NULL, only write back inodes |
| 36 | older than this */ | 32 | older than this */ |
| @@ -56,24 +52,6 @@ struct writeback_control { | |||
| 56 | unsigned for_reclaim:1; /* Invoked from the page allocator */ | 52 | unsigned for_reclaim:1; /* Invoked from the page allocator */ |
| 57 | unsigned range_cyclic:1; /* range_start is cyclic */ | 53 | unsigned range_cyclic:1; /* range_start is cyclic */ |
| 58 | unsigned more_io:1; /* more io to be dispatched */ | 54 | unsigned more_io:1; /* more io to be dispatched */ |
| 59 | /* | ||
| 60 | * write_cache_pages() won't update wbc->nr_to_write and | ||
| 61 | * mapping->writeback_index if no_nrwrite_index_update | ||
| 62 | * is set. write_cache_pages() may write more than we | ||
| 63 | * requested and we want to make sure nr_to_write and | ||
| 64 | * writeback_index are updated in a consistent manner | ||
| 65 | * so we use a single control to update them | ||
| 66 | */ | ||
| 67 | unsigned no_nrwrite_index_update:1; | ||
| 68 | |||
| 69 | /* | ||
| 70 | * For WB_SYNC_ALL, the sb must always be pinned. For WB_SYNC_NONE, | ||
| 71 | * the writeback code will pin the sb for the caller. However, | ||
| 72 | * for eg umount, the caller does WB_SYNC_NONE but already has | ||
| 73 | * the sb pinned. If the below is set, caller already has the | ||
| 74 | * sb pinned. | ||
| 75 | */ | ||
| 76 | unsigned sb_pinned:1; | ||
| 77 | }; | 55 | }; |
| 78 | 56 | ||
| 79 | /* | 57 | /* |
| @@ -82,10 +60,10 @@ struct writeback_control { | |||
| 82 | struct bdi_writeback; | 60 | struct bdi_writeback; |
| 83 | int inode_wait(void *); | 61 | int inode_wait(void *); |
| 84 | void writeback_inodes_sb(struct super_block *); | 62 | void writeback_inodes_sb(struct super_block *); |
| 85 | void writeback_inodes_sb_locked(struct super_block *); | ||
| 86 | int writeback_inodes_sb_if_idle(struct super_block *); | 63 | int writeback_inodes_sb_if_idle(struct super_block *); |
| 87 | void sync_inodes_sb(struct super_block *); | 64 | void sync_inodes_sb(struct super_block *); |
| 88 | void writeback_inodes_wbc(struct writeback_control *wbc); | 65 | void writeback_inodes_wb(struct bdi_writeback *wb, |
| 66 | struct writeback_control *wbc); | ||
| 89 | long wb_do_writeback(struct bdi_writeback *wb, int force_wait); | 67 | long wb_do_writeback(struct bdi_writeback *wb, int force_wait); |
| 90 | void wakeup_flusher_threads(long nr_pages); | 68 | void wakeup_flusher_threads(long nr_pages); |
| 91 | 69 | ||
