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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-26 23:33:05 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-26 23:33:05 +0400 |
| commit | 89ff77837a67994e4a4a20bb648687fbcc3083f2 (patch) | |
| tree | bba9c5c698f38a77bfe35bc26d8bd18c2e557df0 /fs/nfs/nfs4state.c | |
| parent | 932ff06b2a3b4dd3da4dff35c51fa3398e30b635 (diff) | |
| parent | 83c168bf8017212a9d502536f9dcd0b54d24e330 (diff) | |
| download | linux-89ff77837a67994e4a4a20bb648687fbcc3083f2.tar.xz | |
Merge tag 'nfs-for-3.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- Stable fix to prevent an rpc_task wakeup race
- Fix a NFSv4.1 session drain deadlock
- Fix a NFSv4/v4.1 mount regression when not running rpc.gssd
- Ensure auth_gss pipe detection works in namespaces
- Fix SETCLIENTID fallback if rpcsec_gss is not available
* tag 'nfs-for-3.10-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix SETCLIENTID fallback if GSS is not available
SUNRPC: Prevent an rpc_task wakeup race
NFSv4.1 Fix a pNFS session draining deadlock
SUNRPC: Convert auth_gss pipe detection to work in namespaces
SUNRPC: Faster detection if gssd is actually running
SUNRPC: Fix a bug in gss_create_upcall
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 300d17d85c0e..1fab140764c4 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -241,7 +241,7 @@ static void nfs4_end_drain_session(struct nfs_client *clp) if (ses == NULL) return; tbl = &ses->fc_slot_table; - if (test_and_clear_bit(NFS4_SESSION_DRAINING, &ses->session_state)) { + if (test_and_clear_bit(NFS4_SLOT_TBL_DRAINING, &tbl->slot_tbl_state)) { spin_lock(&tbl->slot_tbl_lock); nfs41_wake_slot_table(tbl); spin_unlock(&tbl->slot_tbl_lock); @@ -251,15 +251,15 @@ static void nfs4_end_drain_session(struct nfs_client *clp) /* * Signal state manager thread if session fore channel is drained */ -void nfs4_session_drain_complete(struct nfs4_session *session, - struct nfs4_slot_table *tbl) +void nfs4_slot_tbl_drain_complete(struct nfs4_slot_table *tbl) { - if (nfs4_session_draining(session)) + if (nfs4_slot_tbl_draining(tbl)) complete(&tbl->complete); } -static int nfs4_wait_on_slot_tbl(struct nfs4_slot_table *tbl) +static int nfs4_drain_slot_tbl(struct nfs4_slot_table *tbl) { + set_bit(NFS4_SLOT_TBL_DRAINING, &tbl->slot_tbl_state); spin_lock(&tbl->slot_tbl_lock); if (tbl->highest_used_slotid != NFS4_NO_SLOT) { INIT_COMPLETION(tbl->complete); @@ -275,13 +275,12 @@ static int nfs4_begin_drain_session(struct nfs_client *clp) struct nfs4_session *ses = clp->cl_session; int ret = 0; - set_bit(NFS4_SESSION_DRAINING, &ses->session_state); /* back channel */ - ret = nfs4_wait_on_slot_tbl(&ses->bc_slot_table); + ret = nfs4_drain_slot_tbl(&ses->bc_slot_table); if (ret) return ret; /* fore channel */ - return nfs4_wait_on_slot_tbl(&ses->fc_slot_table); + return nfs4_drain_slot_tbl(&ses->fc_slot_table); } static void nfs41_finish_session_reset(struct nfs_client *clp) |