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sys/kern/vfs_bio.c
Show First 20 Lines • Show All 1,452 Lines • ▼ Show 20 Lines | if (nbusy) { | |||||||||
printf("Giving up on %d buffers\n", nbusy); | printf("Giving up on %d buffers\n", nbusy); | |||||||||
DELAY(5000000); /* 5 seconds */ | DELAY(5000000); /* 5 seconds */ | |||||||||
swapoff_all(); | swapoff_all(); | |||||||||
} else { | } else { | |||||||||
if (!first_buf_printf) | if (!first_buf_printf) | |||||||||
printf("Final sync complete\n"); | printf("Final sync complete\n"); | |||||||||
/* | /* | |||||||||
* Unmount filesystems. Swapoff before unmount, | * Unmount filesystems and perform swapoff, to quiesce | |||||||||
* because file-backed swap is non-operational after unmount | * the system as much as possible. In particular, no | |||||||||
markj: I would write "to quiesce the system as much as possible" or something similar. Steady state… | ||||||||||
* of the underlying filesystem. | * I/O should be initiated from top levels since it | |||||||||
* might be abruptly terminated by reset, or otherwise | ||||||||||
Done Inline Actions
markj: | ||||||||||
* erronously handled because other parts of the | ||||||||||
* system are disabled. | ||||||||||
Done Inline Actions
markj: | ||||||||||
* | ||||||||||
* Swapoff before unmount, because file-backed swap is | ||||||||||
* non-operational after unmount of the underlying | ||||||||||
* filesystem. | ||||||||||
*/ | */ | |||||||||
if (!KERNEL_PANICKED()) { | if (!KERNEL_PANICKED()) { | |||||||||
swapoff_all(); | swapoff_all(); | |||||||||
vfs_unmountall(); | vfs_unmountall(); | |||||||||
} | } | |||||||||
} | } | |||||||||
DELAY(100000); /* wait for console output to finish */ | DELAY(100000); /* wait for console output to finish */ | |||||||||
} | } | |||||||||
▲ Show 20 Lines • Show All 4,091 Lines • Show Last 20 Lines |
I would write "to quiesce the system as much as possible" or something similar. Steady state typically refers to normal operation of the system, and shutdown is abnormal.