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| author | Greg Kurz <gkurz@linux.vnet.ibm.com> | 2020-09-23 22:11:44 +0800 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2020-11-03 09:29:46 +0100 |
| commit | 987a64850996db22bbcf2c1d0a051446a343fa2c (patch) | |
| tree | 70596e685ff828cc5225956c3426d5f559eb5f28 /fs/9p/vfs_dir.c | |
| parent | 154372e67d4053e56591245eb413686621941333 (diff) | |
| download | linux-987a64850996db22bbcf2c1d0a051446a343fa2c.tar.bz2 | |
fs/9p: track open fids
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>
Diffstat (limited to 'fs/9p/vfs_dir.c')
| -rw-r--r-- | fs/9p/vfs_dir.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c index 674d22bf4f6f..d82d8a346f86 100644 --- a/fs/9p/vfs_dir.c +++ b/fs/9p/vfs_dir.c @@ -210,6 +210,9 @@ int v9fs_dir_release(struct inode *inode, struct file *filp) fid = filp->private_data; p9_debug(P9_DEBUG_VFS, "inode: %p filp: %p fid: %d\n", inode, filp, fid ? fid->fid : -1); + spin_lock(&inode->i_lock); + hlist_del(&fid->ilist); + spin_unlock(&inode->i_lock); if (fid) p9_client_clunk(fid); return 0; |