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authorMateusz Guzik <[email protected]>2020-10-29 17:54:20 +0100
committerGitHub <[email protected]>2020-10-29 09:54:20 -0700
commit973ba682f5cbbc8e89683fb439bd0605afc2b43a (patch)
tree4c2967ef517ad904f844dc5c9aebf04f62d9b522 /module/os/linux
parent082ff328f2582ac32b74e40328c89fe7a74f4dbf (diff)
Linux: g/c leftover fence in zfs_znode_alloc
The port removed provisions for zfs_znode_move but the cleanup missed this bit. To quote the original: [snip] list_insert_tail(&zfsvfs->z_all_znodes, zp); membar_producer(); /* * Everything else must be valid before assigning z_zfsvfs makes the * znode eligible for zfs_znode_move(). */ zp->z_zfsvfs = zfsvfs; [/snip] In the current code it is immediately followed by unlock which issues the same fence, thus plays no role in correctness. Reviewed-by: Matt Macy <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Mateusz Guzik <[email protected]> Closes #11115
Diffstat (limited to 'module/os/linux')
-rw-r--r--module/os/linux/zfs/zfs_znode.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/module/os/linux/zfs/zfs_znode.c b/module/os/linux/zfs/zfs_znode.c
index 69fa3baa7..677c101bc 100644
--- a/module/os/linux/zfs/zfs_znode.c
+++ b/module/os/linux/zfs/zfs_znode.c
@@ -620,7 +620,6 @@ zfs_znode_alloc(zfsvfs_t *zfsvfs, dmu_buf_t *db, int blksz,
mutex_enter(&zfsvfs->z_znodes_lock);
list_insert_tail(&zfsvfs->z_all_znodes, zp);
zfsvfs->z_nr_znodes++;
- membar_producer();
mutex_exit(&zfsvfs->z_znodes_lock);
unlock_new_inode(ip);