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e2fsck: add ability to limit the # of problems of a particular type 

This throttles the output of a particular problem type, to avoid a
bottleneck caused by (for example) printing a large number of
characters over a rate-limited a serial console.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
bitmap-optimize
Theodore Ts'o 2012-03-14 17:44:54 -04:00
parent 26c09eb814
commit def8da3829
2 changed files with 22 additions and 0 deletions
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20
e2fsck/problem.c
View File

@ -1824,10 +1824,13 @@ int fix_problem(e2fsck_t ctx, problem_t code, struct problem_context *pctx)
reconfigure_bool(ctx, ptr, key, PR_NO_NOMSG, "no_nomsg");
reconfigure_bool(ctx, ptr, key, PR_PREEN_NOHDR, "preen_noheader");
reconfigure_bool(ctx, ptr, key, PR_FORCE_NO, "force_no");
profile_get_integer(ctx->profile, "problems", key, "max_count",
ptr->max_count, &ptr->max_count);
ptr->flags |= PR_CONFIG;
}
def_yn = 1;
ptr->count++;
if ((ptr->flags & PR_NO_DEFAULT) ||
((ptr->flags & PR_PREEN_NO) && (ctx->options & E2F_OPT_PREEN)) ||
(ctx->options & E2F_OPT_NO))
@ -1856,6 +1859,16 @@ int fix_problem(e2fsck_t ctx, problem_t code, struct problem_context *pctx)
if ((ptr->flags & PR_NO_NOMSG) &&
((ctx->options & E2F_OPT_NO) || (ptr->flags & PR_FORCE_NO)))
suppress++;
if (ptr->max_count && (ptr->count > ptr->max_count)) {
if (ctx->options & (E2F_OPT_NO | E2F_OPT_YES))
suppress++;
if ((ctx->options & E2F_OPT_PREEN) &&
(ptr->flags & PR_PREEN_OK))
suppress++;
if ((ptr->flags & PR_LATCH_MASK) &&
(ldesc->flags & (PRL_YES | PRL_NO)))
suppress++;
}
if (!suppress) {
message = ptr->e2p_description;
if ((ctx->options & E2F_OPT_PREEN) &&
@ -1927,6 +1940,13 @@ profile_get_boolean(profile_t profile, const char *name, const char *subname,
return 0;
}
errcode_t
profile_get_integer(profile_t profile, const char *name, const char *subname,
const char *subsubname, int def_val, int *ret_int)
{
return 0;
}
void print_e2fsck_message(e2fsck_t ctx, const char *msg,
struct problem_context *pctx, int first,
int recurse)

2
e2fsck/problemP.h
View File

@ -15,6 +15,8 @@ struct e2fsck_problem {
char prompt;
int flags;
problem_t second_code;
int count;
int max_count;
};
struct latch_descr {