diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 9f2cf69911b8..543e226ea6a3 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h | |||
| @@ -135,16 +135,10 @@ struct inodes_stat_t { | |||
| 135 | * block layer could (in theory) choose to ignore this | 135 | * block layer could (in theory) choose to ignore this |
| 136 | * request if it runs into resource problems. | 136 | * request if it runs into resource problems. |
| 137 | * WRITE A normal async write. Device will be plugged. | 137 | * WRITE A normal async write. Device will be plugged. |
| 138 | * WRITE_SYNC_PLUG Synchronous write. Identical to WRITE, but passes down | 138 | * WRITE_SYNC Synchronous write. Identical to WRITE, but passes down |
| 139 | * the hint that someone will be waiting on this IO | 139 | * the hint that someone will be waiting on this IO |
| 140 | * shortly. The device must still be unplugged explicitly, | 140 | * shortly. The write equivalent of READ_SYNC. |
| 141 | * WRITE_SYNC_PLUG does not do this as we could be | 141 | * WRITE_ODIRECT Special case write for O_DIRECT only. |
| 142 | * submitting more writes before we actually wait on any | ||
| 143 | * of them. | ||
| 144 | * WRITE_SYNC Like WRITE_SYNC_PLUG, but also unplugs the device | ||
| 145 | * immediately after submission. The write equivalent | ||
| 146 | * of READ_SYNC. | ||
| 147 | * WRITE_ODIRECT_PLUG Special case write for O_DIRECT only. | ||
| 148 | * WRITE_FLUSH Like WRITE_SYNC but with preceding cache flush. | 142 | * WRITE_FLUSH Like WRITE_SYNC but with preceding cache flush. |
| 149 | * WRITE_FUA Like WRITE_SYNC but data is guaranteed to be on | 143 | * WRITE_FUA Like WRITE_SYNC but data is guaranteed to be on |
| 150 | * non-volatile media on completion. | 144 | * non-volatile media on completion. |
| @@ -160,18 +154,14 @@ struct inodes_stat_t { | |||
| 160 | #define WRITE RW_MASK | 154 | #define WRITE RW_MASK |
| 161 | #define READA RWA_MASK | 155 | #define READA RWA_MASK |
| 162 | 156 | ||
| 163 | #define READ_SYNC (READ | REQ_SYNC | REQ_UNPLUG) | 157 | #define READ_SYNC (READ | REQ_SYNC) |
| 164 | #define READ_META (READ | REQ_META) | 158 | #define READ_META (READ | REQ_META) |
| 165 | #define WRITE_SYNC_PLUG (WRITE | REQ_SYNC | REQ_NOIDLE) | 159 | #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) |
| 166 | #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG) | 160 | #define WRITE_ODIRECT (WRITE | REQ_SYNC) |
| 167 | #define WRITE_ODIRECT_PLUG (WRITE | REQ_SYNC) | ||
| 168 | #define WRITE_META (WRITE | REQ_META) | 161 | #define WRITE_META (WRITE | REQ_META) |
| 169 | #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | 162 | #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) |
| 170 | REQ_FLUSH) | 163 | #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) |
| 171 | #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | 164 | #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) |
| 172 | REQ_FUA) | ||
| 173 | #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_UNPLUG | \ | ||
| 174 | REQ_FLUSH | REQ_FUA) | ||
| 175 | 165 | ||
| 176 | #define SEL_IN 1 | 166 | #define SEL_IN 1 |
| 177 | #define SEL_OUT 2 | 167 | #define SEL_OUT 2 |