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authorKent Overstreet <kent.overstreet@linux.dev>2024-04-14 05:43:11 +0300
committerKent Overstreet <kent.overstreet@linux.dev>2024-04-15 03:02:11 +0300
commitbdae2a7e6020e1cf864a30dab2af323575569dc7 (patch)
treefd4d2bb73c6692d2ba9234f6a7d5714fd66b8e80 /fs/bcachefs/sysfs.c
parente879389f5777de5d94f27f8d88d7e92341afa3ef (diff)
downloadlinux-bdae2a7e6020e1cf864a30dab2af323575569dc7.tar.xz
bcachefs: sysfs internal/trigger_journal_flush
Add a sysfs knob for immediately flushing the entire journal. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/sysfs.c')
-rw-r--r--fs/bcachefs/sysfs.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index b18b0cc81b59..5be92fe3f4ea 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -25,6 +25,7 @@
#include "ec.h"
#include "inode.h"
#include "journal.h"
+#include "journal_reclaim.h"
#include "keylist.h"
#include "move.h"
#include "movinggc.h"
@@ -138,6 +139,7 @@ do { \
write_attribute(trigger_gc);
write_attribute(trigger_discards);
write_attribute(trigger_invalidates);
+write_attribute(trigger_journal_flush);
write_attribute(prune_cache);
write_attribute(btree_wakeup);
rw_attribute(btree_gc_periodic);
@@ -500,7 +502,7 @@ STORE(bch2_fs)
/* Debugging: */
- if (!test_bit(BCH_FS_rw, &c->flags))
+ if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_sysfs))
return -EROFS;
if (attr == &sysfs_prune_cache) {
@@ -533,6 +535,11 @@ STORE(bch2_fs)
if (attr == &sysfs_trigger_invalidates)
bch2_do_invalidates(c);
+ if (attr == &sysfs_trigger_journal_flush) {
+ bch2_journal_flush_all_pins(&c->journal);
+ bch2_journal_meta(&c->journal);
+ }
+
#ifdef CONFIG_BCACHEFS_TESTS
if (attr == &sysfs_perf_test) {
char *tmp = kstrdup(buf, GFP_KERNEL), *p = tmp;
@@ -553,6 +560,7 @@ STORE(bch2_fs)
size = ret;
}
#endif
+ bch2_write_ref_put(c, BCH_WRITE_REF_sysfs);
return size;
}
SYSFS_OPS(bch2_fs);
@@ -651,6 +659,7 @@ struct attribute *bch2_fs_internal_files[] = {
&sysfs_trigger_gc,
&sysfs_trigger_discards,
&sysfs_trigger_invalidates,
+ &sysfs_trigger_journal_flush,
&sysfs_prune_cache,
&sysfs_btree_wakeup,