diff options
Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r-- | include/linux/writeback.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 343d883d69c5..beaef5c7a0ea 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h | |||
@@ -53,19 +53,14 @@ struct writeback_control { | |||
53 | loff_t start; | 53 | loff_t start; |
54 | loff_t end; | 54 | loff_t end; |
55 | 55 | ||
56 | unsigned nonblocking:1; /* Don't get stuck on request queues */ | 56 | unsigned nonblocking:1; /* Don't get stuck on request queues */ |
57 | unsigned encountered_congestion:1; /* An output: a queue is full */ | 57 | unsigned encountered_congestion:1; /* An output: a queue is full */ |
58 | unsigned for_kupdate:1; /* A kupdate writeback */ | 58 | unsigned for_kupdate:1; /* A kupdate writeback */ |
59 | unsigned for_reclaim:1; /* Invoked from the page allocator */ | 59 | unsigned for_reclaim:1; /* Invoked from the page allocator */ |
60 | unsigned for_writepages:1; /* This is a writepages() call */ | ||
60 | }; | 61 | }; |
61 | 62 | ||
62 | /* | 63 | /* |
63 | * ->writepage() return values (make these much larger than a pagesize, in | ||
64 | * case some fs is returning number-of-bytes-written from writepage) | ||
65 | */ | ||
66 | #define WRITEPAGE_ACTIVATE 0x80000 /* IO was not started: activate page */ | ||
67 | |||
68 | /* | ||
69 | * fs/fs-writeback.c | 64 | * fs/fs-writeback.c |
70 | */ | 65 | */ |
71 | void writeback_inodes(struct writeback_control *wbc); | 66 | void writeback_inodes(struct writeback_control *wbc); |
@@ -108,7 +103,9 @@ void balance_dirty_pages_ratelimited(struct address_space *mapping); | |||
108 | int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0); | 103 | int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0); |
109 | int do_writepages(struct address_space *mapping, struct writeback_control *wbc); | 104 | int do_writepages(struct address_space *mapping, struct writeback_control *wbc); |
110 | int sync_page_range(struct inode *inode, struct address_space *mapping, | 105 | int sync_page_range(struct inode *inode, struct address_space *mapping, |
111 | loff_t pos, size_t count); | 106 | loff_t pos, loff_t count); |
107 | int sync_page_range_nolock(struct inode *inode, struct address_space *mapping, | ||
108 | loff_t pos, loff_t count); | ||
112 | 109 | ||
113 | /* pdflush.c */ | 110 | /* pdflush.c */ |
114 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl | 111 | extern int nr_pdflush_threads; /* Global so it can be exported to sysctl |