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bcachefs: Allow answering y or n to all fsck errors of given type

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This changes the ask_yn() function used by fsck to accept Y or N,
meaning yes or no for all errors of a given type.

With this, the user can be prompted only for distinct error types -
useful when a filesystem has lots of errors.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2023-04-15 14:26:14 -04:00
parent 6b9857b208
commit 853b7393c2
2 changed files with 60 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

63
fs/bcachefs/error.c
View file

@ -65,10 +65,51 @@ void bch2_io_error(struct bch_dev *ca)
//queue_work(system_long_wq, &ca->io_error_work); //queue_work(system_long_wq, &ca->io_error_work);
} }
enum ask_yn {
YN_NO,
YN_YES,
YN_ALLNO,
YN_ALLYES,
};
#ifdef __KERNEL__ #ifdef __KERNEL__
#define ask_yn() false #define bch2_fsck_ask_yn() YN_NO
#else #else
#include "tools-util.h" #include "tools-util.h"
enum ask_yn bch2_fsck_ask_yn(void)
{
char *buf = NULL;
size_t buflen = 0;
bool ret;
while (true) {
fputs(" (y,n,Y,N) ", stdout);
fflush(stdout);
if (getline(&buf, &buflen, stdin) < 0)
die("error reading from standard input");
if (strlen(buf) != 1)
continue;
switch (buf[0]) {
case 'n':
return YN_NO;
case 'y':
return YN_YES;
case 'N':
return YN_ALLNO;
case 'Y':
return YN_ALLYES;
}
}
free(buf);
return ret;
}
#endif #endif
static struct fsck_err_state *fsck_err_get(struct bch_fs *c, const char *fmt) static struct fsck_err_state *fsck_err_get(struct bch_fs *c, const char *fmt)
@ -161,14 +202,28 @@ int bch2_fsck_err(struct bch_fs *c, unsigned flags, const char *fmt, ...)
prt_str(out, ", exiting"); prt_str(out, ", exiting");
ret = -BCH_ERR_fsck_errors_not_fixed; ret = -BCH_ERR_fsck_errors_not_fixed;
} else if (flags & FSCK_CAN_FIX) { } else if (flags & FSCK_CAN_FIX) {
if (c->opts.fix_errors == FSCK_OPT_ASK) { int fix = s && s->fix
? s->fix
: c->opts.fix_errors;
if (fix == FSCK_OPT_ASK) {
int ask;
prt_str(out, ": fix?"); prt_str(out, ": fix?");
bch2_print_string_as_lines(KERN_ERR, out->buf); bch2_print_string_as_lines(KERN_ERR, out->buf);
print = false; print = false;
ret = ask_yn()
ask = bch2_fsck_ask_yn();
if (ask >= YN_ALLNO && s)
s->fix = ask == YN_ALLNO
? FSCK_OPT_NO
: FSCK_OPT_YES;
ret = ask & 1
? -BCH_ERR_fsck_fix ? -BCH_ERR_fsck_fix
: -BCH_ERR_fsck_ignore; : -BCH_ERR_fsck_ignore;
} else if (c->opts.fix_errors == FSCK_OPT_YES || } else if (fix == FSCK_OPT_YES ||
(c->opts.nochanges && (c->opts.nochanges &&
!(flags & FSCK_CAN_IGNORE))) { !(flags & FSCK_CAN_IGNORE))) {
prt_str(out, ", fixing"); prt_str(out, ", fixing");

1
fs/bcachefs/error.h
View file

@ -104,6 +104,7 @@ struct fsck_err_state {
u64 nr; u64 nr;
bool ratelimited; bool ratelimited;
int ret; int ret;
int fix;
char *last_msg; char *last_msg;
}; };