diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-06-15 14:58:47 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:08:41 -0400 |
| commit | 1ada160618d66bc57beacb4c35f13e9a4c269afa (patch) | |
| tree | da5f9d4111d5b12bac49a3b53faac7609c331aa1 /fs/bcachefs/fs.c | |
| parent | 7fffc85baf1fa176560a546a0625efc549969ce4 (diff) | |
bcachefs: Turn c->state_lock into an rwsem
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/fs.c')
| -rw-r--r-- | fs/bcachefs/fs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c index 6aff3203b4e1..4538551ccca3 100644 --- a/fs/bcachefs/fs.c +++ b/fs/bcachefs/fs.c @@ -1342,16 +1342,16 @@ static struct bch_fs *__bch2_open_as_blockdevs(const char *dev_name, char * cons if (IS_ERR(c)) return c; - mutex_lock(&c->state_lock); + down_write(&c->state_lock); if (!test_bit(BCH_FS_STARTED, &c->flags)) { - mutex_unlock(&c->state_lock); + up_write(&c->state_lock); closure_put(&c->cl); pr_err("err mounting %s: incomplete filesystem", dev_name); return ERR_PTR(-EINVAL); } - mutex_unlock(&c->state_lock); + up_write(&c->state_lock); set_bit(BCH_FS_BDEV_MOUNTED, &c->flags); return c; @@ -1400,7 +1400,7 @@ static int bch2_remount(struct super_block *sb, int *flags, char *data) return ret; if (opts.read_only != c->opts.read_only) { - mutex_lock(&c->state_lock); + down_write(&c->state_lock); if (opts.read_only) { bch2_fs_read_only(c); @@ -1410,7 +1410,7 @@ static int bch2_remount(struct super_block *sb, int *flags, char *data) ret = bch2_fs_read_write(c); if (ret) { bch_err(c, "error going rw: %i", ret); - mutex_unlock(&c->state_lock); + up_write(&c->state_lock); return -EINVAL; } @@ -1419,7 +1419,7 @@ static int bch2_remount(struct super_block *sb, int *flags, char *data) c->opts.read_only = opts.read_only; - mutex_unlock(&c->state_lock); + up_write(&c->state_lock); } if (opts.errors >= 0) |