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fs/9p: track open fids

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This patch adds accounting of open fids in a list hanging off the i_private
field of the corresponding inode. This allows faster lookups compared to
searching the full 9p client list.

The lookup code is modified accordingly.

Link: http://lkml.kernel.org/r/20200923141146.90046-3-jianyong.wu@arm.com
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
This commit is contained in:
Greg Kurz
2020-09-23 22:11:44 +08:00
committed by Dominique Martinet
parent 154372e67d
commit 987a648509
7 changed files with 35 additions and 10 deletions
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include/net/9p/client.h
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@@ -152,6 +152,7 @@ struct p9_fid {
void *rdir;
struct hlist_node dlist; /* list of all fids attached to a dentry */
struct hlist_node ilist;
};
/**