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| author | Daniel Hill <daniel@gluo.nz> | 2023-11-20 09:53:36 +1300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-01 11:47:38 -0500 |
| commit | 2b161cc7cb077e9f8479f1aa132c78c37ce845cd (patch) | |
| tree | 424a37f2398c4120e573a5e91c61a75dc2a54e21 /fs/bcachefs/super-io.c | |
| parent | 25f64e997e4bd864b4426ba40b3a48d276665fea (diff) | |
| download | lwn-2b161cc7cb077e9f8479f1aa132c78c37ce845cd.tar.gz lwn-2b161cc7cb077e9f8479f1aa132c78c37ce845cd.zip | |
bcachefs: add a quieter bch2_read_super
If we're looking for a bcachefs supers iteratively we don't want to see
this error.
This function replaces KERN_ERR with KERN_INFO for when we don't find a
bcachefs superblock but preserves other errors.
Signed-off-by: Daniel Hill <daniel@gluo.nz>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/super-io.c')
| -rw-r--r-- | fs/bcachefs/super-io.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c index 4c98d8cc2a79..320a04a42e5b 100644 --- a/fs/bcachefs/super-io.c +++ b/fs/bcachefs/super-io.c @@ -692,12 +692,13 @@ reread: return 0; } -int bch2_read_super(const char *path, struct bch_opts *opts, - struct bch_sb_handle *sb) +static int __bch2_read_super(const char *path, struct bch_opts *opts, + struct bch_sb_handle *sb, bool ignore_notbchfs_msg) { u64 offset = opt_get(*opts, sb); struct bch_sb_layout layout; struct printbuf err = PRINTBUF; + struct printbuf err2 = PRINTBUF; __le64 *i; int ret; #ifndef __KERNEL__ @@ -760,8 +761,14 @@ retry: if (opt_defined(*opts, sb)) goto err; - printk(KERN_ERR "bcachefs (%s): error reading default superblock: %s\n", + prt_printf(&err2, "bcachefs (%s): error reading default superblock: %s\n", path, err.buf); + if (ret == -BCH_ERR_invalid_sb_magic && ignore_notbchfs_msg) + printk(KERN_INFO "%s", err2.buf); + else + printk(KERN_ERR "%s", err2.buf); + + printbuf_exit(&err2); printbuf_reset(&err); /* @@ -837,6 +844,20 @@ err_no_print: goto out; } +int bch2_read_super(const char *path, struct bch_opts *opts, + struct bch_sb_handle *sb) +{ + return __bch2_read_super(path, opts, sb, false); +} + +/* provide a silenced version for mount.bcachefs */ + +int bch2_read_super_silent(const char *path, struct bch_opts *opts, + struct bch_sb_handle *sb) +{ + return __bch2_read_super(path, opts, sb, true); +} + /* write superblock: */ static void write_super_endio(struct bio *bio) |