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orangefs: use ->f_mapping

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... and don't check for impossible conditions - file_inode() is
never NULL in anything seen by ->release() and neither is its
->i_mapping.

Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2022-08-20 13:14:38 -04:00
parent 265a04b076
commit 4094d98e33
1 changed files with 1 additions and 3 deletions
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4
fs/orangefs/file.c
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@ -417,9 +417,7 @@ static int orangefs_file_release(struct inode *inode, struct file *file)
* readahead cache (if any); this forces an expensive refresh of
* data for the next caller of mmap (or 'get_block' accesses)
*/
if (file_inode(file) &&
file_inode(file)->i_mapping &&
mapping_nrpages(&file_inode(file)->i_data)) {
if (mapping_nrpages(file->f_mapping)) {
if (orangefs_features & ORANGEFS_FEATURE_READAHEAD) {
gossip_debug(GOSSIP_INODE_DEBUG,
"calling flush_racache on %pU\n",