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| author | Jiri Kosina <jkosina@suse.cz> | 2013-03-18 10:57:32 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-03-18 10:57:57 +0100 |
| commit | aa1262b3876ec5249ff464618a7dcd46b3ca54e2 (patch) | |
| tree | b150bb2c83c073e1f0e298ba7899148f7d991ef7 /include/linux/backing-dev.h | |
| parent | 806b2139db236e0cbd0b5833ab0ce139f0196bcd (diff) | |
| parent | 6dbe51c251a327e012439c4772097a13df43c5b8 (diff) | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to the newly
added ITG-3200 driver.
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 12731a19ef06..350459910fe1 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -254,6 +254,7 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned int max_ratio); #define BDI_CAP_EXEC_MAP 0x00000040 #define BDI_CAP_NO_ACCT_WB 0x00000080 #define BDI_CAP_SWAP_BACKED 0x00000100 +#define BDI_CAP_STABLE_WRITES 0x00000200 #define BDI_CAP_VMFLAGS \ (BDI_CAP_READ_MAP | BDI_CAP_WRITE_MAP | BDI_CAP_EXEC_MAP) @@ -308,6 +309,11 @@ long wait_iff_congested(struct zone *zone, int sync, long timeout); int pdflush_proc_obsolete(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +static inline bool bdi_cap_stable_pages_required(struct backing_dev_info *bdi) +{ + return bdi->capabilities & BDI_CAP_STABLE_WRITES; +} + static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi) { return !(bdi->capabilities & BDI_CAP_NO_WRITEBACK); |