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orangefs: do not allow client readahead cache without feature bit

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Signed-off-by: Martin Brandenburg <martin@omnibond.com>
This commit is contained in:
Martin Brandenburg
2016-08-12 16:12:09 -04:00
parent 482664ddba
commit c51e012942
2 changed files with 27 additions and 5 deletions
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13
fs/orangefs/file.c
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@@ -624,11 +624,14 @@ static int orangefs_file_release(struct inode *inode, struct file *file)
if (file->f_path.dentry->d_inode &&
file->f_path.dentry->d_inode->i_mapping &&
mapping_nrpages(&file->f_path.dentry->d_inode->i_data)) {
gossip_debug(GOSSIP_INODE_DEBUG,
"calling flush_racache on %pU\n",
get_khandle_from_ino(inode));
flush_racache(inode);
gossip_debug(GOSSIP_INODE_DEBUG, "flush_racache finished\n");
if (orangefs_features & ORANGEFS_FEATURE_READAHEAD) {
gossip_debug(GOSSIP_INODE_DEBUG,
"calling flush_racache on %pU\n",
get_khandle_from_ino(inode));
flush_racache(inode);
gossip_debug(GOSSIP_INODE_DEBUG,
"flush_racache finished\n");
}
truncate_inode_pages(file->f_path.dentry->d_inode->i_mapping,
0);
}