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head/sys/ufs/ffs/ffs_softdep.c
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| /* | /* | ||||
| * If requested, try removing inode or removal dependencies. | * If requested, try removing inode or removal dependencies. | ||||
| */ | */ | ||||
| static void | static void | ||||
| check_clear_deps(mp) | check_clear_deps(mp) | ||||
| struct mount *mp; | struct mount *mp; | ||||
| { | { | ||||
| struct ufsmount *ump; | struct ufsmount *ump; | ||||
| bool suj_susp; | |||||
| /* | /* | ||||
| * Tell the lower layers that any TRIM or WRITE transactions | * Tell the lower layers that any TRIM or WRITE transactions that have | ||||
| * that have been delayed for performance reasons should | * been delayed for performance reasons should proceed to help alleviate | ||||
| * proceed to help alleviate the shortage faster. | * the shortage faster. The race between checking req_* and the softdep | ||||
| * mutex (lk) is fine since this is an advisory operation that at most | |||||
| * causes deferred work to be done sooner. | |||||
| */ | */ | ||||
| ump = VFSTOUFS(mp); | ump = VFSTOUFS(mp); | ||||
| suj_susp = MOUNTEDSUJ(mp) && ump->softdep_jblocks->jb_suspended; | |||||
| if (req_clear_remove || req_clear_inodedeps || suj_susp) { | |||||
| FREE_LOCK(ump); | FREE_LOCK(ump); | ||||
| softdep_send_speedup(ump, 0, BIO_SPEEDUP_TRIM | BIO_SPEEDUP_WRITE); | softdep_send_speedup(ump, 0, BIO_SPEEDUP_TRIM | BIO_SPEEDUP_WRITE); | ||||
| ACQUIRE_LOCK(ump); | ACQUIRE_LOCK(ump); | ||||
| } | |||||
| /* | /* | ||||
| * If we are suspended, it may be because of our using | * If we are suspended, it may be because of our using | ||||
| * too many inodedeps, so help clear them out. | * too many inodedeps, so help clear them out. | ||||
| */ | */ | ||||
| if (MOUNTEDSUJ(mp) && VFSTOUFS(mp)->softdep_jblocks->jb_suspended) | if (suj_susp) | ||||
| clear_inodedeps(mp); | clear_inodedeps(mp); | ||||
| /* | /* | ||||
| * General requests for cleanup of backed up dependencies | * General requests for cleanup of backed up dependencies | ||||
| */ | */ | ||||
| ACQUIRE_GBLLOCK(&lk); | ACQUIRE_GBLLOCK(&lk); | ||||
| if (req_clear_inodedeps) { | if (req_clear_inodedeps) { | ||||
| req_clear_inodedeps -= 1; | req_clear_inodedeps -= 1; | ||||
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