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NFSv4: We must set NFS_OPEN_STATE flag in nfs_resync_open_stateid_locked
Otherwise, nfs4_select_rw_stateid() will always return the zero stateid
instead of the correct open stateid.
Fixes: f95549cf24
("NFSv4: More CLOSE/OPEN races")
Cc: stable@vger.kernel.org # 4.0+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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1 changed files with 3 additions and 0 deletions
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@ -1200,12 +1200,15 @@ static bool nfs_need_update_open_stateid(struct nfs4_state *state,
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static void nfs_resync_open_stateid_locked(struct nfs4_state *state)
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{
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if (!(state->n_wronly || state->n_rdonly || state->n_rdwr))
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return;
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if (state->n_wronly)
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set_bit(NFS_O_WRONLY_STATE, &state->flags);
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if (state->n_rdonly)
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set_bit(NFS_O_RDONLY_STATE, &state->flags);
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if (state->n_rdwr)
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set_bit(NFS_O_RDWR_STATE, &state->flags);
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set_bit(NFS_OPEN_STATE, &state->flags);
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}
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static void nfs_clear_open_stateid_locked(struct nfs4_state *state,
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