diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2025-05-29 18:02:21 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2025-05-31 22:03:17 -0400 |
| commit | 1f42a0335a721eca962f792794e864797d09087a (patch) | |
| tree | fe5203f99cee3b26bca6de21b566ff6d27d7d521 | |
| parent | 5802caf74fa5647a0e560b585bf7d1ac65b20e11 (diff) | |
bcachefs: sysfs trigger_emergency_read_only
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/sysfs.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index f93af1c45ae6..10f4045301a3 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -26,6 +26,7 @@ #include "disk_groups.h" #include "ec.h" #include "enumerated_ref.h" +#include "error.h" #include "inode.h" #include "journal.h" #include "journal_reclaim.h" @@ -152,6 +153,7 @@ write_attribute(trigger_btree_updates); write_attribute(trigger_freelist_wakeup); write_attribute(trigger_recalc_capacity); write_attribute(trigger_delete_dead_snapshots); +write_attribute(trigger_emergency_read_only); read_attribute(gc_gens_pos); read_attribute(uuid); @@ -453,6 +455,16 @@ STORE(bch2_fs) if (attr == &sysfs_trigger_delete_dead_snapshots) __bch2_delete_dead_snapshots(c); + if (attr == &sysfs_trigger_emergency_read_only) { + struct printbuf buf = PRINTBUF; + bch2_log_msg_start(c, &buf); + + prt_printf(&buf, "shutdown by sysfs\n"); + bch2_fs_emergency_read_only2(c, &buf); + bch2_print_str(c, KERN_ERR, buf.buf); + printbuf_exit(&buf); + } + #ifdef CONFIG_BCACHEFS_TESTS if (attr == &sysfs_perf_test) { char *tmp = kstrdup(buf, GFP_KERNEL), *p = tmp; @@ -585,6 +597,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_trigger_freelist_wakeup, &sysfs_trigger_recalc_capacity, &sysfs_trigger_delete_dead_snapshots, + &sysfs_trigger_emergency_read_only, &sysfs_gc_gens_pos, |