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btrfs: initialize fs_devices->fs_info earlier in btrfs_init_devices_late()

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Currently, fs_devices->fs_info is initialized in btrfs_init_devices_late(),
but this occurs too late for find_live_mirror(), which is invoked by
load_super_root() much earlier than btrfs_init_devices_late().

Fix this by moving the initialization to open_ctree(), before load_super_root().

Reviewed-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain
2025-01-02 02:06:30 +08:00
committed by David Sterba
parent 74973b45a6
commit a5019b7070
2 changed files with 1 additions and 2 deletions
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1
fs/btrfs/disk-io.c
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@@ -3388,6 +3388,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
fs_info->sectors_per_page = (PAGE_SIZE >> fs_info->sectorsize_bits);
fs_info->csums_per_leaf = BTRFS_MAX_ITEM_SIZE(fs_info) / fs_info->csum_size;
fs_info->stripesize = stripesize;
fs_info->fs_devices->fs_info = fs_info;
/*
* Handle the space caching options appropriately now that we have the

2
fs/btrfs/volumes.c
View File

@@ -7515,8 +7515,6 @@ int btrfs_init_devices_late(struct btrfs_fs_info *fs_info)
struct btrfs_device *device;
int ret = 0;
fs_devices->fs_info = fs_info;
mutex_lock(&fs_devices->device_list_mutex);
list_for_each_entry(device, &fs_devices->devices, dev_list)
device->fs_info = fs_info;