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-rw-r--r--fs/btrfs/super.c89
1 files changed, 24 insertions, 65 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index de0bfebce1..ef256b944c 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -26,6 +26,7 @@
#include <linux/ratelimit.h>
#include <linux/crc32c.h>
#include <linux/btrfs.h>
+#include <linux/security.h>
#include "messages.h"
#include "delayed-inode.h"
#include "ctree.h"
@@ -132,9 +133,6 @@ enum {
Opt_inode_cache, Opt_noinode_cache,
/* Debugging options */
- Opt_check_integrity,
- Opt_check_integrity_including_extent_data,
- Opt_check_integrity_print_mask,
Opt_enospc_debug, Opt_noenospc_debug,
#ifdef CONFIG_BTRFS_DEBUG
Opt_fragment_data, Opt_fragment_metadata, Opt_fragment_all,
@@ -203,9 +201,6 @@ static const match_table_t tokens = {
{Opt_recovery, "recovery"},
/* Debugging options */
- {Opt_check_integrity, "check_int"},
- {Opt_check_integrity_including_extent_data, "check_int_data"},
- {Opt_check_integrity_print_mask, "check_int_print_mask=%u"},
{Opt_enospc_debug, "enospc_debug"},
{Opt_noenospc_debug, "noenospc_debug"},
#ifdef CONFIG_BTRFS_DEBUG
@@ -710,44 +705,6 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
case Opt_skip_balance:
btrfs_set_opt(info->mount_opt, SKIP_BALANCE);
break;
-#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
- case Opt_check_integrity_including_extent_data:
- btrfs_warn(info,
- "integrity checker is deprecated and will be removed in 6.7");
- btrfs_info(info,
- "enabling check integrity including extent data");
- btrfs_set_opt(info->mount_opt, CHECK_INTEGRITY_DATA);
- btrfs_set_opt(info->mount_opt, CHECK_INTEGRITY);
- break;
- case Opt_check_integrity:
- btrfs_warn(info,
- "integrity checker is deprecated and will be removed in 6.7");
- btrfs_info(info, "enabling check integrity");
- btrfs_set_opt(info->mount_opt, CHECK_INTEGRITY);
- break;
- case Opt_check_integrity_print_mask:
- ret = match_int(&args[0], &intarg);
- if (ret) {
- btrfs_err(info,
- "unrecognized check_integrity_print_mask value %s",
- args[0].from);
- goto out;
- }
- info->check_integrity_print_mask = intarg;
- btrfs_warn(info,
- "integrity checker is deprecated and will be removed in 6.7");
- btrfs_info(info, "check_integrity_print_mask 0x%x",
- info->check_integrity_print_mask);
- break;
-#else
- case Opt_check_integrity_including_extent_data:
- case Opt_check_integrity:
- case Opt_check_integrity_print_mask:
- btrfs_err(info,
- "support for check_integrity* not compiled in!");
- ret = -EINVAL;
- goto out;
-#endif
case Opt_fatal_errors:
if (strcmp(args[0].from, "panic") == 0) {
btrfs_set_opt(info->mount_opt,
@@ -892,7 +849,7 @@ static int btrfs_parse_device_options(const char *options, blk_mode_t flags)
error = -ENOMEM;
goto out;
}
- device = btrfs_scan_one_device(device_name, flags);
+ device = btrfs_scan_one_device(device_name, flags, false);
kfree(device_name);
if (IS_ERR(device)) {
error = PTR_ERR(device);
@@ -1308,15 +1265,6 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
seq_puts(seq, ",autodefrag");
if (btrfs_test_opt(info, SKIP_BALANCE))
seq_puts(seq, ",skip_balance");
-#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
- if (btrfs_test_opt(info, CHECK_INTEGRITY_DATA))
- seq_puts(seq, ",check_int_data");
- else if (btrfs_test_opt(info, CHECK_INTEGRITY))
- seq_puts(seq, ",check_int");
- if (info->check_integrity_print_mask)
- seq_printf(seq, ",check_int_print_mask=%d",
- info->check_integrity_print_mask);
-#endif
if (info->metadata_ratio)
seq_printf(seq, ",metadata_ratio=%u", info->metadata_ratio);
if (btrfs_test_opt(info, PANIC_ON_FATAL_ERROR))
@@ -1487,7 +1435,12 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
goto error_fs_info;
}
- device = btrfs_scan_one_device(device_name, mode);
+ /*
+ * With 'true' passed to btrfs_scan_one_device() (mount time) we expect
+ * either a valid device or an error.
+ */
+ device = btrfs_scan_one_device(device_name, mode, true);
+ ASSERT(device != NULL);
if (IS_ERR(device)) {
mutex_unlock(&uuid_mutex);
error = PTR_ERR(device);
@@ -1522,7 +1475,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
error = -EBUSY;
} else {
snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev);
- shrinker_debugfs_rename(&s->s_shrink, "sb-%s:%s", fs_type->name,
+ shrinker_debugfs_rename(s->s_shrink, "sb-%s:%s", fs_type->name,
s->s_id);
btrfs_sb(s)->bdev_holder = fs_type;
error = btrfs_fill_super(s, fs_devices, data);
@@ -2199,7 +2152,11 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
switch (cmd) {
case BTRFS_IOC_SCAN_DEV:
mutex_lock(&uuid_mutex);
- device = btrfs_scan_one_device(vol->name, BLK_OPEN_READ);
+ /*
+ * Scanning outside of mount can return NULL which would turn
+ * into 0 error code.
+ */
+ device = btrfs_scan_one_device(vol->name, BLK_OPEN_READ, false);
ret = PTR_ERR_OR_ZERO(device);
mutex_unlock(&uuid_mutex);
break;
@@ -2213,8 +2170,12 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd,
break;
case BTRFS_IOC_DEVICES_READY:
mutex_lock(&uuid_mutex);
- device = btrfs_scan_one_device(vol->name, BLK_OPEN_READ);
- if (IS_ERR(device)) {
+ /*
+ * Scanning outside of mount can return NULL which would turn
+ * into 0 error code.
+ */
+ device = btrfs_scan_one_device(vol->name, BLK_OPEN_READ, false);
+ if (IS_ERR_OR_NULL(device)) {
mutex_unlock(&uuid_mutex);
ret = PTR_ERR(device);
break;
@@ -2259,6 +2220,7 @@ static int check_dev_super(struct btrfs_device *dev)
{
struct btrfs_fs_info *fs_info = dev->fs_info;
struct btrfs_super_block *sb;
+ u64 last_trans;
u16 csum_type;
int ret = 0;
@@ -2294,10 +2256,10 @@ static int check_dev_super(struct btrfs_device *dev)
if (ret < 0)
goto out;
- if (btrfs_super_generation(sb) != fs_info->last_trans_committed) {
+ last_trans = btrfs_get_last_trans_committed(fs_info);
+ if (btrfs_super_generation(sb) != last_trans) {
btrfs_err(fs_info, "transid mismatch, has %llu expect %llu",
- btrfs_super_generation(sb),
- fs_info->last_trans_committed);
+ btrfs_super_generation(sb), last_trans);
ret = -EUCLEAN;
goto out;
}
@@ -2407,9 +2369,6 @@ static int __init btrfs_print_mod_info(void)
#ifdef CONFIG_BTRFS_ASSERT
", assert=on"
#endif
-#ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
- ", integrity-checker=on"
-#endif
#ifdef CONFIG_BTRFS_FS_REF_VERIFY
", ref-verify=on"
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 20:11:26 +0000