diff options
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r-- | include/linux/fs.h | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 4dda076c24a1..ce7e18555197 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h | |||
@@ -138,16 +138,10 @@ struct inodes_stat_t { | |||
138 | * block layer could (in theory) choose to ignore this | 138 | * block layer could (in theory) choose to ignore this |
139 | * request if it runs into resource problems. | 139 | * request if it runs into resource problems. |
140 | * WRITE A normal async write. Device will be plugged. | 140 | * WRITE A normal async write. Device will be plugged. |
141 | * WRITE_SYNC_PLUG Synchronous write. Identical to WRITE, but passes down | 141 | * WRITE_SYNC Synchronous write. Identical to WRITE, but passes down |
142 | * the hint that someone will be waiting on this IO | 142 | * the hint that someone will be waiting on this IO |
143 | * shortly. The device must still be unplugged explicitly, | 143 | * shortly. The write equivalent of READ_SYNC. |
144 | * WRITE_SYNC_PLUG does not do this as we could be | 144 | * WRITE_ODIRECT Special case write for O_DIRECT only. |
145 | * submitting more writes before we actually wait on any | ||
146 | * of them. | ||
147 | * WRITE_SYNC Like WRITE_SYNC_PLUG, but also unplugs the device | ||
148 | * immediately after submission. The write equivalent | ||
149 | * of READ_SYNC. | ||
150 | * WRITE_ODIRECT_PLUG Special case write for O_DIRECT only. | ||
151 | * WRITE_FLUSH Like WRITE_SYNC but with preceding cache flush. | 145 | * WRITE_FLUSH Like WRITE_SYNC but with preceding cache flush. |
152 | * WRITE_FUA Like WRITE_SYNC but data is guaranteed to be on | 146 | * WRITE_FUA Like WRITE_SYNC but data is guaranteed to be on |
153 | * non-volatile media on completion. | 147 | * non-volatile media on completion. |
@@ -163,18 +157,14 @@ struct inodes_stat_t { | |||
163 | #define WRITE RW_MASK | 157 | #define WRITE RW_MASK |
164 | #define READA RWA_MASK | 158 | #define READA RWA_MASK |
165 | 159 | ||
166 | #define READ_SYNC (READ | REQ_SYNC | REQ_UNPLUG) | 160 | #define READ_SYNC (READ | REQ_SYNC) |
167 | #define READ_META (READ | REQ_META) | 161 | #define READ_META (READ | REQ_META) |
168 | #define WRITE_SYNC_PLUG (WRITE | REQ_SYNC | REQ_NOIDLE) | 162 | #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) |
169 | #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG) | 163 | #define WRITE_ODIRECT (WRITE | REQ_SYNC) |
170 | #define WRITE_ODIRECT_PLUG (WRITE | REQ_SYNC) | ||
171 | #define WRITE_META (WRITE | REQ_META) | 164 | #define WRITE_META (WRITE | REQ_META) |
172 | #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | 165 | #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) |
173 | REQ_FLUSH) | 166 | #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) |
174 | #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | 167 | #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) |
175 | REQ_FUA) | ||
176 | #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | ||
177 | REQ_FLUSH | REQ_FUA) | ||
178 | 168 | ||
179 | #define SEL_IN 1 | 169 | #define SEL_IN 1 |
180 | #define SEL_OUT 2 | 170 | #define SEL_OUT 2 |
@@ -586,7 +576,6 @@ typedef int (*read_actor_t)(read_descriptor_t *, struct page *, | |||
586 | struct address_space_operations { | 576 | struct address_space_operations { |
587 | int (*writepage)(struct page *page, struct writeback_control *wbc); | 577 | int (*writepage)(struct page *page, struct writeback_control *wbc); |
588 | int (*readpage)(struct file *, struct page *); | 578 | int (*readpage)(struct file *, struct page *); |
589 | void (*sync_page)(struct page *); | ||
590 | 579 | ||
591 | /* Write back some dirty pages from this mapping. */ | 580 | /* Write back some dirty pages from this mapping. */ |
592 | int (*writepages)(struct address_space *, struct writeback_control *); | 581 | int (*writepages)(struct address_space *, struct writeback_control *); |