gfs2: Fix initialisation of args for remount
When gfs2 was converted to use fs_context, the initialisation of the
mount args structure to the currently active args was lost with the
removal of gfs2_remount_fs(), so the checks of the new args on remount
became checks against the default values instead of the current ones.
This caused unexpected remount behaviour and test failures (xfstests
generic/294, generic/306 and generic/452).
Reinstate the args initialisation, this time in gfs2_init_fs_context()
and conditional upon fc->purpose, as that's the only time we get control
before the mount args are parsed in the remount process.
Fixes: 1f52aa08d1
("gfs2: Convert gfs2 to fs_context")
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
parent
d6d5df1db6
commit
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@ -1540,17 +1540,23 @@ static int gfs2_init_fs_context(struct fs_context *fc)
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{
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struct gfs2_args *args;
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args = kzalloc(sizeof(*args), GFP_KERNEL);
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args = kmalloc(sizeof(*args), GFP_KERNEL);
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if (args == NULL)
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return -ENOMEM;
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args->ar_quota = GFS2_QUOTA_DEFAULT;
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args->ar_data = GFS2_DATA_DEFAULT;
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args->ar_commit = 30;
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args->ar_statfs_quantum = 30;
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args->ar_quota_quantum = 60;
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args->ar_errors = GFS2_ERRORS_DEFAULT;
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if (fc->purpose == FS_CONTEXT_FOR_RECONFIGURE) {
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struct gfs2_sbd *sdp = fc->root->d_sb->s_fs_info;
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*args = sdp->sd_args;
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} else {
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memset(args, 0, sizeof(*args));
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args->ar_quota = GFS2_QUOTA_DEFAULT;
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args->ar_data = GFS2_DATA_DEFAULT;
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args->ar_commit = 30;
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args->ar_statfs_quantum = 30;
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args->ar_quota_quantum = 60;
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args->ar_errors = GFS2_ERRORS_DEFAULT;
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}
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fc->fs_private = args;
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fc->ops = &gfs2_context_ops;
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return 0;
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