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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-07 06:03:02 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-07 06:03:02 +0400 |
commit | 6ed23fd6c08b3ffa17c1f841098d2fa2ab3a59dd (patch) | |
tree | 5cb5bb5dbefbb6458eff4bdae3c091ca3c02d685 /fs | |
parent | 5ee354a0295c34aa7da07be8490f86edee2c7883 (diff) | |
parent | 2174f6df7891fa331800beb72634c969f017900b (diff) | |
download | linux-6ed23fd6c08b3ffa17c1f841098d2fa2ab3a59dd.tar.xz |
Merge branch 'pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
* 'pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
pstore: gracefully handle NULL pstore_info functions
pstore: pass reason to backend write callback
Diffstat (limited to 'fs')
-rw-r--r-- | fs/pstore/inode.c | 3 | ||||
-rw-r--r-- | fs/pstore/platform.c | 36 |
2 files changed, 6 insertions, 33 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index 379a02dc1217..b3b426edb2fd 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -80,7 +80,8 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry) { struct pstore_private *p = dentry->d_inode->i_private; - p->psi->erase(p->type, p->id, p->psi); + if (p->psi->erase) + p->psi->erase(p->type, p->id, p->psi); return simple_unlink(dir, dentry); } diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 57bbf9078ac8..9ec22d3b4293 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -122,7 +122,7 @@ static void pstore_dump(struct kmsg_dumper *dumper, memcpy(dst, s1 + s1_start, l1_cpy); memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy); - ret = psinfo->write(PSTORE_TYPE_DMESG, &id, part, + ret = psinfo->write(PSTORE_TYPE_DMESG, reason, &id, part, hsize + l1_cpy + l2_cpy, psinfo); if (ret == 0 && reason == KMSG_DUMP_OOPS && pstore_is_mounted()) pstore_new_entry = 1; @@ -207,8 +207,7 @@ void pstore_get_records(int quiet) return; mutex_lock(&psi->read_mutex); - rc = psi->open(psi); - if (rc) + if (psi->open && psi->open(psi)) goto out; while ((size = psi->read(&id, &type, &time, &buf, psi)) > 0) { @@ -219,7 +218,8 @@ void pstore_get_records(int quiet) if (rc && (rc != -EEXIST || !quiet)) failed++; } - psi->close(psi); + if (psi->close) + psi->close(psi); out: mutex_unlock(&psi->read_mutex); @@ -243,33 +243,5 @@ static void pstore_timefunc(unsigned long dummy) mod_timer(&pstore_timer, jiffies + PSTORE_INTERVAL); } -/* - * Call platform driver to write a record to the - * persistent store. - */ -int pstore_write(enum pstore_type_id type, char *buf, size_t size) -{ - u64 id; - int ret; - unsigned long flags; - - if (!psinfo) - return -ENODEV; - - if (size > psinfo->bufsize) - return -EFBIG; - - spin_lock_irqsave(&psinfo->buf_lock, flags); - memcpy(psinfo->buf, buf, size); - ret = psinfo->write(type, &id, 0, size, psinfo); - if (ret == 0 && pstore_is_mounted()) - pstore_mkfile(PSTORE_TYPE_DMESG, psinfo->name, id, psinfo->buf, - size, CURRENT_TIME, psinfo); - spin_unlock_irqrestore(&psinfo->buf_lock, flags); - - return 0; -} -EXPORT_SYMBOL_GPL(pstore_write); - module_param(backend, charp, 0444); MODULE_PARM_DESC(backend, "Pstore backend to use"); |