diff options
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index d2ced9920992..e63fbfbd5b0f 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -210,6 +210,7 @@ enum mapping_flags { AS_STABLE_WRITES = 7, /* must wait for writeback before modifying folio contents */ AS_INACCESSIBLE = 8, /* Do not attempt direct R/W access to the mapping */ + AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM = 9, /* Bits 16-25 are used for FOLIO_ORDER */ AS_FOLIO_ORDER_BITS = 5, AS_FOLIO_ORDER_MIN = 16, @@ -335,6 +336,16 @@ static inline bool mapping_inaccessible(struct address_space *mapping) return test_bit(AS_INACCESSIBLE, &mapping->flags); } +static inline void mapping_set_writeback_may_deadlock_on_reclaim(struct address_space *mapping) +{ + set_bit(AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM, &mapping->flags); +} + +static inline bool mapping_writeback_may_deadlock_on_reclaim(struct address_space *mapping) +{ + return test_bit(AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM, &mapping->flags); +} + static inline gfp_t mapping_gfp_mask(struct address_space * mapping) { return mapping->gfp_mask; |