[PATCH 4/4] fs: ubifs: rework logging
Sascha Hauer
s.hauer at pengutronix.de
Fri Feb 28 05:24:21 EST 2014
By default UBIFS is very verbose. Decrease the verbosity, turn
printf messages into ubifs_ messages and add device parameters
for the values which are not printed anymore.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
fs/ubifs/super.c | 30 +++++++++++++++++++++---------
fs/ubifs/ubifs.c | 2 +-
fs/ubifs/ubifs.h | 11 +++++------
3 files changed, 27 insertions(+), 16 deletions(-)
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e8e2cbe..075b258 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -257,12 +257,12 @@ static int init_constants_early(struct ubifs_info *c)
}
if (c->di.ro_mode) {
- ubifs_msg("read-only UBI device");
+ dbg_msg("read-only UBI device");
c->ro_media = 1;
}
if (c->vi.vol_type == UBI_STATIC_VOLUME) {
- ubifs_msg("static UBI volume - read-only mode");
+ dbg_msg("static UBI volume - read-only mode");
c->ro_media = 1;
}
@@ -540,6 +540,7 @@ static int mount_ubifs(struct ubifs_info *c)
int err, mounted_read_only = ubifs_readonly(c);
long long x;
size_t sz;
+ char str[128];
err = init_constants_early(c);
if (err)
@@ -676,18 +677,19 @@ static int mount_ubifs(struct ubifs_info *c)
ubifs_msg("mounted UBI device %d, volume %d, name \"%s\"",
c->vi.ubi_num, c->vi.vol_id, c->vi.name);
if (mounted_read_only)
- ubifs_msg("mounted read-only");
+ dbg_msg("mounted read-only");
x = (long long)c->main_lebs * c->leb_size;
- ubifs_msg("file system size: %lld bytes (%lld KiB, %lld MiB, %d "
+ c->fs_size_mb = x >> 20;
+ dbg_msg("file system size: %lld bytes (%lld KiB, %lld MiB, %d "
"LEBs)", x, x >> 10, x >> 20, c->main_lebs);
x = (long long)c->log_lebs * c->leb_size + c->max_bud_bytes;
- ubifs_msg("journal size: %lld bytes (%lld KiB, %lld MiB, %d "
+ dbg_msg("journal size: %lld bytes (%lld KiB, %lld MiB, %d "
"LEBs)", x, x >> 10, x >> 20, c->log_lebs + c->max_bud_cnt);
- ubifs_msg("media format: w%d/r%d (latest is w%d/r%d)",
+ dbg_msg("media format: w%d/r%d (latest is w%d/r%d)",
c->fmt_version, c->ro_compat_version,
UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION);
- ubifs_msg("default compressor: %s", ubifs_compr_name(c->default_compr));
- ubifs_msg("reserved for root: %llu bytes (%llu KiB)",
+ dbg_msg("default compressor: %s", ubifs_compr_name(c->default_compr));
+ dbg_msg("reserved for root: %llu bytes (%llu KiB)",
c->report_rp_size, c->report_rp_size >> 10);
dbg_msg("compiled on: " __DATE__ " at " __TIME__);
@@ -696,6 +698,14 @@ static int mount_ubifs(struct ubifs_info *c)
c->leb_size, c->leb_size >> 10);
dbg_msg("data journal heads: %d",
c->jhead_cnt - NONDATA_JHEADS_CNT);
+
+ dev_add_param_int_ro(c->dev, "filesystem_size_mb", c->fs_size_mb, "%d");
+ dev_add_param_fixed(c->dev, "default_compressor", ubifs_compr_name(c->default_compr));
+ sprintf(str, "w%d/r%d", c->fmt_version, c->ro_compat_version);
+ dev_add_param_fixed(c->dev, "media_format", str);
+ sprintf(str, "w%d/r%d", UBIFS_FORMAT_VERSION, UBIFS_RO_COMPAT_VERSION);
+ dev_add_param_fixed(c->dev, "media_format_latest", str);
+
dbg_msg("UUID: %02X%02X%02X%02X-%02X%02X"
"-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
c->uuid[0], c->uuid[1], c->uuid[2], c->uuid[3],
@@ -804,7 +814,7 @@ void ubifs_umount(struct ubifs_info *c)
ubifs_debugging_exit(c);
}
-struct super_block *ubifs_get_super(struct ubi_volume_desc *ubi, int silent)
+struct super_block *ubifs_get_super(struct device_d *dev, struct ubi_volume_desc *ubi, int silent)
{
struct super_block *sb;
struct ubifs_info *c;
@@ -814,6 +824,8 @@ struct super_block *ubifs_get_super(struct ubi_volume_desc *ubi, int silent)
sb = xzalloc(sizeof(*sb));
c = xzalloc(sizeof(struct ubifs_info));
+ c->dev = dev;
+
spin_lock_init(&c->cnt_lock);
spin_lock_init(&c->cs_lock);
spin_lock_init(&c->buds_lock);
diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
index 44a9e97..35923a9 100644
--- a/fs/ubifs/ubifs.c
+++ b/fs/ubifs/ubifs.c
@@ -610,7 +610,7 @@ static int ubifs_probe(struct device_d *dev)
goto err_free;
}
- priv->sb = ubifs_get_super(priv->ubi, 0);
+ priv->sb = ubifs_get_super(dev, priv->ubi, 0);
if (IS_ERR(priv->sb)) {
ret = PTR_ERR(priv->sb);
goto err;
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index fea1584..b4a9d76 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -470,12 +470,8 @@ static inline ino_t parent_ino(struct dentry *dentry)
#define UBIFS_VERSION 1
/* Normal UBIFS messages */
-#ifdef CONFIG_UBIFS_SILENCE_MSG
-#define ubifs_msg(fmt, ...)
-#else
#define ubifs_msg(fmt, ...) \
- pr_notice("UBIFS: " fmt "\n", ##__VA_ARGS__)
-#endif
+ pr_info("UBIFS: " fmt "\n", ##__VA_ARGS__)
/* UBIFS error messages */
#define ubifs_err(fmt, ...) \
pr_err("UBIFS error (pid %d): %s: " fmt "\n", 0, \
@@ -1824,6 +1820,9 @@ struct ubifs_info {
int always_chk_crc;
struct ubifs_mount_opts mount_opts;
+ unsigned int fs_size_mb;
+ struct device_d *dev;
+
#ifdef CONFIG_UBIFS_FS_DEBUG
struct ubifs_debug_info *dbg;
#endif
@@ -2140,7 +2139,7 @@ long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
#include "misc.h"
#include "key.h"
-struct super_block *ubifs_get_super(struct ubi_volume_desc *ubi, int silent);
+struct super_block *ubifs_get_super(struct device_d *dev, struct ubi_volume_desc *ubi, int silent);
void ubifs_umount(struct ubifs_info *);
static inline int ubifs_readonly(struct ubifs_info *c)
--
1.8.5.3
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