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btrfs: send: in case of IO error log it

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Currently if we get IO error while doing send then we abort without
logging information about which file caused issue.  So log it to help
with debugging.

CC: stable@vger.kernel.org # 4.9+
Signed-off-by: Dāvis Mosāns <davispuh@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Dāvis Mosāns 2022-02-05 20:48:23 +02:00 committed by David Sterba
parent a0f0cf8341
commit 2e7be9db12
1 changed files with 4 additions and 0 deletions
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4
fs/btrfs/send.c
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@ -4999,6 +4999,10 @@ static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len)
lock_page(page);
if (!PageUptodate(page)) {
unlock_page(page);
btrfs_err(fs_info,
"send: IO error at offset %llu for inode %llu root %llu",
page_offset(page), sctx->cur_ino,
sctx->send_root->root_key.objectid);
put_page(page);
ret = -EIO;
break;