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btrfs: improve parameter description for __btrfs_write_out_cache 

Fixes following W=1 warnings:
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'root' not described in '__btrfs_write_out_cache'
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'inode' not described in '__btrfs_write_out_cache'
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'ctl' not described in '__btrfs_write_out_cache'
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'block_group' not described in '__btrfs_write_out_cache'
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'io_ctl' not described in '__btrfs_write_out_cache'
fs/btrfs/free-space-cache.c:1317: warning: Function parameter or member 'trans' not described in '__btrfs_write_out_cache'

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2021-01-22 11:57:56 +02:00 committed by David Sterba
parent 696eb22b67
commit f092cf3cfd
1 changed files with 8 additions and 5 deletions
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13
fs/btrfs/free-space-cache.c
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@ -1299,11 +1299,14 @@ int btrfs_wait_cache_io(struct btrfs_trans_handle *trans,
}
/**
* __btrfs_write_out_cache - write out cached info to an inode
* @root - the root the inode belongs to
* @ctl - the free space cache we are going to write out
* @block_group - the block_group for this cache if it belongs to a block_group
* @trans - the trans handle
* Write out cached info to an inode
*
* @root: root the inode belongs to
* @inode: freespace inode we are writing out
* @ctl: free space cache we are going to write out
* @block_group: block_group for this cache if it belongs to a block_group
* @io_ctl: holds context for the io
* @trans: the trans handle
*
* This function writes out a free space cache struct to disk for quick recovery
* on mount. This will return 0 if it was successful in writing the cache out,