diff options
-rw-r--r-- | fs/ubifs/debug.c | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index fdfa5de..e4a3630 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -2631,11 +2631,11 @@ static int do_fail(struct ubi_volume_desc *desc, int lnum, int write) d->fail_delay = 1; d->fail_timeout = jiffies + msecs_to_jiffies(delay); - dbg_rcvry("failing after %ums", delay); + ubifs_warn("failing after %ums", delay); } else { d->fail_delay = 2; d->fail_cnt_max = delay; - dbg_rcvry("failing after %u calls", delay); + ubifs_warn("failing after %u calls", delay); } } d->fail_cnt += 1; @@ -2653,56 +2653,56 @@ static int do_fail(struct ubi_volume_desc *desc, int lnum, int write) return 0; } else if (chance(19, 20)) return 0; - dbg_rcvry("failing in super block LEB %d", lnum); + ubifs_warn("failing in super block LEB %d", lnum); } else if (lnum == UBIFS_MST_LNUM || lnum == UBIFS_MST_LNUM + 1) { if (chance(19, 20)) return 0; - dbg_rcvry("failing in master LEB %d", lnum); + ubifs_warn("failing in master LEB %d", lnum); } else if (lnum >= UBIFS_LOG_LNUM && lnum <= c->log_last) { if (write) { if (chance(99, 100)) return 0; } else if (chance(399, 400)) return 0; - dbg_rcvry("failing in log LEB %d", lnum); + ubifs_warn("failing in log LEB %d", lnum); } else if (lnum >= c->lpt_first && lnum <= c->lpt_last) { if (write) { if (chance(7, 8)) return 0; } else if (chance(19, 20)) return 0; - dbg_rcvry("failing in LPT LEB %d", lnum); + ubifs_warn("failing in LPT LEB %d", lnum); } else if (lnum >= c->orph_first && lnum <= c->orph_last) { if (write) { if (chance(1, 2)) return 0; } else if (chance(9, 10)) return 0; - dbg_rcvry("failing in orphan LEB %d", lnum); + ubifs_warn("failing in orphan LEB %d", lnum); } else if (lnum == c->ihead_lnum) { if (chance(99, 100)) return 0; - dbg_rcvry("failing in index head LEB %d", lnum); + ubifs_warn("failing in index head LEB %d", lnum); } else if (c->jheads && lnum == c->jheads[GCHD].wbuf.lnum) { if (chance(9, 10)) return 0; - dbg_rcvry("failing in GC head LEB %d", lnum); + ubifs_warn("failing in GC head LEB %d", lnum); } else if (write && !RB_EMPTY_ROOT(&c->buds) && !ubifs_search_bud(c, lnum)) { if (chance(19, 20)) return 0; - dbg_rcvry("failing in non-bud LEB %d", lnum); + ubifs_warn("failing in non-bud LEB %d", lnum); } else if (c->cmt_state == COMMIT_RUNNING_BACKGROUND || c->cmt_state == COMMIT_RUNNING_REQUIRED) { if (chance(999, 1000)) return 0; - dbg_rcvry("failing in bud LEB %d commit running", lnum); + ubifs_warn("failing in bud LEB %d commit running", lnum); } else { if (chance(9999, 10000)) return 0; - dbg_rcvry("failing in bud LEB %d commit not running", lnum); + ubifs_warn("failing in bud LEB %d commit not running", lnum); } - ubifs_err("*** SETTING FAILURE MODE ON (LEB %d) ***", lnum); + d->failure_mode = 1; dump_stack(); return 1; @@ -2922,8 +2922,16 @@ static ssize_t dfs_file_write(struct file *file, const char __user *u, int val; /* - * FIXME: this is racy - the file-system might have already been - * unmounted and we'd oops in this case. + * TODO: this is racy - the file-system might have already been + * unmounted and we'd oops in this case. The plan is to fix it with + * help of 'iterate_supers_type()' which we should have in v3.0: when + * a debugfs opened, we rember FS's UUID in file->private_data. Then + * whenever we access the FS via a debugfs file, we iterate all UBIFS + * superblocks and fine the one with the same UUID, and take the + * locking right. + * + * The other way to go suggested by Al Viro is to create a separate + * 'ubifs-debug' file-system instead. */ if (file->f_path.dentry == d->dfs_dump_lprops) { dbg_dump_lprops(c); |