diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 13 | ||||
| -rw-r--r-- | include/linux/writeback.h | 10 |
2 files changed, 10 insertions, 13 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index c0e53372b082..cdc1a9630948 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1764,8 +1764,8 @@ struct super_operations { * I_FREEING Set when inode is about to be freed but still has dirty * pages or buffers attached or the inode itself is still * dirty. - * I_CLEAR Added by end_writeback(). In this state the inode is clean - * and can be destroyed. Inode keeps I_FREEING. + * I_CLEAR Added by clear_inode(). In this state the inode is + * clean and can be destroyed. Inode keeps I_FREEING. * * Inodes that are I_WILL_FREE, I_FREEING or I_CLEAR are * prohibited for many purposes. iget() must wait for @@ -1773,9 +1773,10 @@ struct super_operations { * anew. Other functions will just ignore such inodes, * if appropriate. I_NEW is used for waiting. * - * I_SYNC Synchonized write of dirty inode data. The bits is - * set during data writeback, and cleared with a wakeup - * on the bit address once it is done. + * I_SYNC Writeback of inode is running. The bit is set during + * data writeback, and cleared with a wakeup on the bit + * address once it is done. The bit is also used to pin + * the inode in memory for flusher thread. * * I_REFERENCED Marks the inode as recently references on the LRU list. * @@ -2349,7 +2350,7 @@ extern unsigned int get_next_ino(void); extern void __iget(struct inode * inode); extern void iget_failed(struct inode *); -extern void end_writeback(struct inode *); +extern void clear_inode(struct inode *); extern void __destroy_inode(struct inode *); extern struct inode *new_inode_pseudo(struct super_block *sb); extern struct inode *new_inode(struct super_block *sb); diff --git a/include/linux/writeback.h b/include/linux/writeback.h index a2b84f598e2b..6d0a0fcd80e7 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -58,7 +58,6 @@ extern const char *wb_reason_name[]; * in a manner such that unspecified fields are set to zero. */ struct writeback_control { - enum writeback_sync_modes sync_mode; long nr_to_write; /* Write this many pages, and decrement this for each page written */ long pages_skipped; /* Pages which were not written */ @@ -71,6 +70,8 @@ struct writeback_control { loff_t range_start; loff_t range_end; + enum writeback_sync_modes sync_mode; + unsigned for_kupdate:1; /* A kupdate writeback */ unsigned for_background:1; /* A background writeback */ unsigned tagged_writepages:1; /* tag-and-write to avoid livelock */ @@ -94,6 +95,7 @@ long writeback_inodes_wb(struct bdi_writeback *wb, long nr_pages, enum wb_reason reason); long wb_do_writeback(struct bdi_writeback *wb, int force_wait); void wakeup_flusher_threads(long nr_pages, enum wb_reason reason); +void inode_wait_for_writeback(struct inode *inode); /* writeback.h requires fs.h; it, too, is not included from here. */ static inline void wait_on_inode(struct inode *inode) @@ -101,12 +103,6 @@ static inline void wait_on_inode(struct inode *inode) might_sleep(); wait_on_bit(&inode->i_state, __I_NEW, inode_wait, TASK_UNINTERRUPTIBLE); } -static inline void inode_sync_wait(struct inode *inode) -{ - might_sleep(); - wait_on_bit(&inode->i_state, __I_SYNC, inode_wait, - TASK_UNINTERRUPTIBLE); -} /* |