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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c138
1 files changed, 109 insertions, 29 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index eca9aea9834e..4ccbb860ad06 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -713,6 +713,19 @@ static void destroy_percpu_info(struct f2fs_sb_info *sbi)
percpu_counter_destroy(&sbi->total_valid_inode_count);
}
+static void destroy_device_list(struct f2fs_sb_info *sbi)
+{
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ blkdev_put(FDEV(i).bdev, FMODE_EXCL);
+#ifdef CONFIG_BLK_DEV_ZONED
+ kfree(FDEV(i).blkz_type);
+#endif
+ }
+ kfree(sbi->devs);
+}
+
static void f2fs_put_super(struct super_block *sb)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -773,6 +786,8 @@ static void f2fs_put_super(struct super_block *sb)
crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi->raw_super);
+ destroy_device_list(sbi);
+
destroy_percpu_info(sbi);
kfree(sbi);
}
@@ -1516,9 +1531,9 @@ static int init_percpu_info(struct f2fs_sb_info *sbi)
}
#ifdef CONFIG_BLK_DEV_ZONED
-static int init_blkz_info(struct f2fs_sb_info *sbi)
+static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
{
- struct block_device *bdev = sbi->sb->s_bdev;
+ struct block_device *bdev = FDEV(devi).bdev;
sector_t nr_sectors = bdev->bd_part->nr_sects;
sector_t sector = 0;
struct blk_zone *zones;
@@ -1529,15 +1544,21 @@ static int init_blkz_info(struct f2fs_sb_info *sbi)
if (!f2fs_sb_mounted_blkzoned(sbi->sb))
return 0;
+ if (sbi->blocks_per_blkz && sbi->blocks_per_blkz !=
+ SECTOR_TO_BLOCK(bdev_zone_size(bdev)))
+ return -EINVAL;
sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_size(bdev));
+ if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz !=
+ __ilog2_u32(sbi->blocks_per_blkz))
+ return -EINVAL;
sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz);
- sbi->nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >>
- sbi->log_blocks_per_blkz;
+ FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >>
+ sbi->log_blocks_per_blkz;
if (nr_sectors & (bdev_zone_size(bdev) - 1))
- sbi->nr_blkz++;
+ FDEV(devi).nr_blkz++;
- sbi->blkz_type = kmalloc(sbi->nr_blkz, GFP_KERNEL);
- if (!sbi->blkz_type)
+ FDEV(devi).blkz_type = kmalloc(FDEV(devi).nr_blkz, GFP_KERNEL);
+ if (!FDEV(devi).blkz_type)
return -ENOMEM;
#define F2FS_REPORT_NR_ZONES 4096
@@ -1562,7 +1583,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi)
}
for (i = 0; i < nr_zones; i++) {
- sbi->blkz_type[n] = zones[i].type;
+ FDEV(devi).blkz_type[n] = zones[i].type;
sector += zones[i].len;
n++;
}
@@ -1666,6 +1687,77 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
return err;
}
+static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
+ int i;
+
+ for (i = 0; i < MAX_DEVICES; i++) {
+ if (!RDEV(i).path[0])
+ return 0;
+
+ if (i == 0) {
+ sbi->devs = kzalloc(sizeof(struct f2fs_dev_info) *
+ MAX_DEVICES, GFP_KERNEL);
+ if (!sbi->devs)
+ return -ENOMEM;
+ }
+
+ memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN);
+ FDEV(i).total_segments = le32_to_cpu(RDEV(i).total_segments);
+ if (i == 0) {
+ FDEV(i).start_blk = 0;
+ FDEV(i).end_blk = FDEV(i).start_blk +
+ (FDEV(i).total_segments <<
+ sbi->log_blocks_per_seg) - 1 +
+ le32_to_cpu(raw_super->segment0_blkaddr);
+ } else {
+ FDEV(i).start_blk = FDEV(i - 1).end_blk + 1;
+ FDEV(i).end_blk = FDEV(i).start_blk +
+ (FDEV(i).total_segments <<
+ sbi->log_blocks_per_seg) - 1;
+ }
+
+ FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path,
+ sbi->sb->s_mode, sbi->sb->s_type);
+ if (IS_ERR(FDEV(i).bdev))
+ return PTR_ERR(FDEV(i).bdev);
+
+ /* to release errored devices */
+ sbi->s_ndevs = i + 1;
+
+#ifdef CONFIG_BLK_DEV_ZONED
+ if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
+ !f2fs_sb_mounted_blkzoned(sbi->sb)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Zoned block device feature not enabled\n");
+ return -EINVAL;
+ }
+ if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
+ if (init_blkz_info(sbi, i)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Failed to initialize F2FS blkzone information");
+ return -EINVAL;
+ }
+ f2fs_msg(sbi->sb, KERN_INFO,
+ "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk,
+ bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
+ "Host-aware" : "Host-managed");
+ continue;
+ }
+#endif
+ f2fs_msg(sbi->sb, KERN_INFO,
+ "Mount Device [%2d]: %20s, %8u, %8x - %8x",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk);
+ }
+ return 0;
+}
+
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
{
struct f2fs_sb_info *sbi;
@@ -1724,15 +1816,7 @@ try_onemore:
"Zoned block device support is not enabled\n");
goto free_sb_buf;
}
-#else
- if (bdev_zoned_model(sb->s_bdev) == BLK_ZONED_HM &&
- !f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_ERR,
- "Zoned block device feature not enabled\n");
- goto free_sb_buf;
- }
#endif
-
default_options(sbi);
/* parse mount options */
options = kstrdup((const char *)data, GFP_KERNEL);
@@ -1802,6 +1886,13 @@ try_onemore:
goto free_meta_inode;
}
+ /* Initialize device list */
+ err = f2fs_scan_devices(sbi);
+ if (err) {
+ f2fs_msg(sb, KERN_ERR, "Failed to find devices");
+ goto free_devices;
+ }
+
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
percpu_counter_set(&sbi->total_valid_inode_count,
@@ -1820,15 +1911,6 @@ try_onemore:
init_ino_entry_info(sbi);
-#ifdef CONFIG_BLK_DEV_ZONED
- err = init_blkz_info(sbi);
- if (err) {
- f2fs_msg(sb, KERN_ERR,
- "Failed to initialize F2FS blkzone information");
- goto free_blkz;
- }
-#endif
-
/* setup f2fs internal modules */
err = build_segment_manager(sbi);
if (err) {
@@ -2007,10 +2089,8 @@ free_nm:
destroy_node_manager(sbi);
free_sm:
destroy_segment_manager(sbi);
-#ifdef CONFIG_BLK_DEV_ZONED
-free_blkz:
- kfree(sbi->blkz_type);
-#endif
+free_devices:
+ destroy_device_list(sbi);
kfree(sbi->ckpt);
free_meta_inode:
make_bad_inode(sbi->meta_inode);
generated by cgit v1.2.3 (git 2.46.0) at 2025-04-25 08:39:03 +0000