diff options
author | Ingo Molnar <mingo@elte.hu> | 2010-02-26 09:18:32 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-02-26 09:18:32 +0100 |
commit | 64b9fb5704a479d98a59f2a1d45d3331a8f847f8 (patch) | |
tree | 2b1052b05fa7615c817894bc9802bc5bb2af7ac1 /fs/nfs | |
parent | 83f0d53993b2967e54186468b0fc4321447f68f1 (diff) | |
parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) |
Merge commit 'v2.6.33' into tracing/core
Conflicts:
scripts/recordmcount.pl
Merge reason: Merge up to v2.6.33.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/nfs')
-rw-r--r-- | fs/nfs/dir.c | 1 | ||||
-rw-r--r-- | fs/nfs/direct.c | 3 | ||||
-rw-r--r-- | fs/nfs/file.c | 2 | ||||
-rw-r--r-- | fs/nfs/fscache.c | 9 | ||||
-rw-r--r-- | fs/nfs/inode.c | 4 | ||||
-rw-r--r-- | fs/nfs/mount_clnt.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs2xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4_fs.h | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4proc.c | 78 | ||||
-rw-r--r-- | fs/nfs/nfs4state.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4xdr.c | 6 | ||||
-rw-r--r-- | fs/nfs/pagelist.c | 17 | ||||
-rw-r--r-- | fs/nfs/super.c | 15 | ||||
-rw-r--r-- | fs/nfs/sysctl.c | 2 | ||||
-rw-r--r-- | fs/nfs/write.c | 6 |
15 files changed, 107 insertions, 44 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 2c5ace4f00a..3c7f03b669f 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1615,6 +1615,7 @@ static int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, goto out; new_dentry = dentry; + rehash = NULL; new_inode = NULL; } } diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index e1d415e9784..0d289823e85 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -342,6 +342,7 @@ static ssize_t nfs_direct_read_schedule_segment(struct nfs_direct_req *dreq, data->res.fattr = &data->fattr; data->res.eof = 0; data->res.count = bytes; + nfs_fattr_init(&data->fattr); msg.rpc_argp = &data->args; msg.rpc_resp = &data->res; @@ -575,6 +576,7 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) data->res.count = 0; data->res.fattr = &data->fattr; data->res.verf = &data->verf; + nfs_fattr_init(&data->fattr); NFS_PROTO(data->inode)->commit_setup(data, &msg); @@ -766,6 +768,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_direct_req *dreq, data->res.fattr = &data->fattr; data->res.count = bytes; data->res.verf = &data->verf; + nfs_fattr_init(&data->fattr); task_setup_data.task = &data->task; task_setup_data.callback_data = data; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 6b891328f33..63f2071d644 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -486,6 +486,8 @@ static int nfs_release_page(struct page *page, gfp_t gfp) { dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page); + if (gfp & __GFP_WAIT) + nfs_wb_page(page->mapping->host, page); /* If PagePrivate() is set, then the page is not freeable */ if (PagePrivate(page)) return 0; diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c index fa588006588..237874f1af2 100644 --- a/fs/nfs/fscache.c +++ b/fs/nfs/fscache.c @@ -354,12 +354,11 @@ void nfs_fscache_reset_inode_cookie(struct inode *inode) */ int nfs_fscache_release_page(struct page *page, gfp_t gfp) { - struct nfs_inode *nfsi = NFS_I(page->mapping->host); - struct fscache_cookie *cookie = nfsi->fscache; - - BUG_ON(!cookie); - if (PageFsCache(page)) { + struct nfs_inode *nfsi = NFS_I(page->mapping->host); + struct fscache_cookie *cookie = nfsi->fscache; + + BUG_ON(!cookie); dfprintk(FSCACHE, "NFS: fscache releasepage (0x%p/0x%p/0x%p)\n", cookie, page, nfsi); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index faa091865ad..f141bde7756 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1261,8 +1261,10 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr) if (fattr->valid & NFS_ATTR_FATTR_MODE) { if ((inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO)) { + umode_t newmode = inode->i_mode & S_IFMT; + newmode |= fattr->mode & S_IALLUGO; + inode->i_mode = newmode; invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL; - inode->i_mode = fattr->mode; } } else if (server->caps & NFS_CAP_MODE) invalid |= save_cache_validity & (NFS_INO_INVALID_ATTR diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index 0adefc40cc8..59047f8d7d7 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -120,7 +120,7 @@ static struct { { .status = MNT3ERR_INVAL, .errno = -EINVAL, }, { .status = MNT3ERR_NAMETOOLONG, .errno = -ENAMETOOLONG, }, { .status = MNT3ERR_NOTSUPP, .errno = -ENOTSUPP, }, - { .status = MNT3ERR_SERVERFAULT, .errno = -ESERVERFAULT, }, + { .status = MNT3ERR_SERVERFAULT, .errno = -EREMOTEIO, }, }; struct mountres { diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 5e078b222b4..7bc2da8efd4 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -699,7 +699,7 @@ static struct { { NFSERR_BAD_COOKIE, -EBADCOOKIE }, { NFSERR_NOTSUPP, -ENOTSUPP }, { NFSERR_TOOSMALL, -ETOOSMALL }, - { NFSERR_SERVERFAULT, -ESERVERFAULT }, + { NFSERR_SERVERFAULT, -EREMOTEIO }, { NFSERR_BADTYPE, -EBADTYPE }, { NFSERR_JUKEBOX, -EJUKEBOX }, { -1, -EIO } diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 865265bdca0..0c6fda33d66 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -146,6 +146,7 @@ enum { NFS_O_RDWR_STATE, /* OPEN stateid has read/write state */ NFS_STATE_RECLAIM_REBOOT, /* OPEN stateid server rebooted */ NFS_STATE_RECLAIM_NOGRACE, /* OPEN stateid needs to recover state */ + NFS_STATE_POSIX_LOCKS, /* Posix locks are supported */ }; struct nfs4_state { @@ -277,6 +278,7 @@ extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t); extern void nfs4_schedule_state_recovery(struct nfs_client *); extern void nfs4_schedule_state_manager(struct nfs_client *); extern int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state); +extern int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state); extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags); extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp); extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 198d51d17c1..375f0fae2c6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -249,19 +249,15 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, if (state == NULL) break; nfs4_state_mark_reclaim_nograce(clp, state); - case -NFS4ERR_STALE_CLIENTID: + goto do_state_recovery; case -NFS4ERR_STALE_STATEID: - case -NFS4ERR_EXPIRED: - nfs4_schedule_state_recovery(clp); - ret = nfs4_wait_clnt_recover(clp); - if (ret == 0) - exception->retry = 1; -#if !defined(CONFIG_NFS_V4_1) - break; -#else /* !defined(CONFIG_NFS_V4_1) */ - if (!nfs4_has_session(server->nfs_client)) + if (state == NULL) break; - /* FALLTHROUGH */ + nfs4_state_mark_reclaim_reboot(clp, state); + case -NFS4ERR_STALE_CLIENTID: + case -NFS4ERR_EXPIRED: + goto do_state_recovery; +#if defined(CONFIG_NFS_V4_1) case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: case -NFS4ERR_BAD_HIGH_SLOT: @@ -274,7 +270,7 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, nfs4_schedule_state_recovery(clp); exception->retry = 1; break; -#endif /* !defined(CONFIG_NFS_V4_1) */ +#endif /* defined(CONFIG_NFS_V4_1) */ case -NFS4ERR_FILE_OPEN: if (exception->timeout > HZ) { /* We have retried a decent amount, time to @@ -293,6 +289,12 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, } /* We failed to handle the error */ return nfs4_map_errors(ret); +do_state_recovery: + nfs4_schedule_state_recovery(clp); + ret = nfs4_wait_clnt_recover(clp); + if (ret == 0) + exception->retry = 1; + return ret; } @@ -1658,6 +1660,8 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, in status = PTR_ERR(state); if (IS_ERR(state)) goto err_opendata_put; + if ((opendata->o_res.rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) != 0) + set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); nfs4_opendata_put(opendata); nfs4_put_state_owner(sp); *res = state; @@ -3422,15 +3426,14 @@ _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, if (state == NULL) break; nfs4_state_mark_reclaim_nograce(clp, state); - case -NFS4ERR_STALE_CLIENTID: + goto do_state_recovery; case -NFS4ERR_STALE_STATEID: + if (state == NULL) + break; + nfs4_state_mark_reclaim_reboot(clp, state); + case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_EXPIRED: - rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL); - nfs4_schedule_state_recovery(clp); - if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0) - rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task); - task->tk_status = 0; - return -EAGAIN; + goto do_state_recovery; #if defined(CONFIG_NFS_V4_1) case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: @@ -3458,6 +3461,13 @@ _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, } task->tk_status = nfs4_map_errors(task->tk_status); return 0; +do_state_recovery: + rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL); + nfs4_schedule_state_recovery(clp); + if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0) + rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task); + task->tk_status = 0; + return -EAGAIN; } static int @@ -4088,6 +4098,28 @@ static const struct rpc_call_ops nfs4_recover_lock_ops = { .rpc_release = nfs4_lock_release, }; +static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_state *lsp, int new_lock_owner, int error) +{ + struct nfs_client *clp = server->nfs_client; + struct nfs4_state *state = lsp->ls_state; + + switch (error) { + case -NFS4ERR_ADMIN_REVOKED: + case -NFS4ERR_BAD_STATEID: + case -NFS4ERR_EXPIRED: + if (new_lock_owner != 0 || + (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0) + nfs4_state_mark_reclaim_nograce(clp, state); + lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED; + break; + case -NFS4ERR_STALE_STATEID: + if (new_lock_owner != 0 || + (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0) + nfs4_state_mark_reclaim_reboot(clp, state); + lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED; + }; +} + static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *fl, int recovery_type) { struct nfs4_lockdata *data; @@ -4126,6 +4158,9 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f ret = nfs4_wait_for_completion_rpc_task(task); if (ret == 0) { ret = data->rpc_status; + if (ret) + nfs4_handle_setlk_error(data->server, data->lsp, + data->arg.new_lock_owner, ret); } else data->cancelled = 1; rpc_put_task(task); @@ -4181,8 +4216,11 @@ static int _nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock { struct nfs_inode *nfsi = NFS_I(state->inode); unsigned char fl_flags = request->fl_flags; - int status; + int status = -ENOLCK; + if ((fl_flags & FL_POSIX) && + !test_bit(NFS_STATE_POSIX_LOCKS, &state->flags)) + goto out; /* Is this a delegated open? */ status = nfs4_set_lock_state(state, request); if (status != 0) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 6d263ed79e9..c1e2733f4fa 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -901,7 +901,7 @@ void nfs4_schedule_state_recovery(struct nfs_client *clp) nfs4_schedule_state_manager(clp); } -static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state) +int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state) { set_bit(NFS_STATE_RECLAIM_REBOOT, &state->flags); diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index e437fd6a819..5cd5184b56d 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -4631,7 +4631,7 @@ static int decode_sequence(struct xdr_stream *xdr, * If the server returns different values for sessionID, slotID or * sequence number, the server is looney tunes. */ - status = -ESERVERFAULT; + status = -EREMOTEIO; if (memcmp(id.data, res->sr_session->sess_id.data, NFS4_MAX_SESSIONID_LEN)) { @@ -5774,7 +5774,7 @@ static struct { { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, { NFS4ERR_NOTSUPP, -ENOTSUPP }, { NFS4ERR_TOOSMALL, -ETOOSMALL }, - { NFS4ERR_SERVERFAULT, -ESERVERFAULT }, + { NFS4ERR_SERVERFAULT, -EREMOTEIO }, { NFS4ERR_BADTYPE, -EBADTYPE }, { NFS4ERR_LOCKED, -EAGAIN }, { NFS4ERR_SYMLINK, -ELOOP }, @@ -5801,7 +5801,7 @@ nfs4_stat_to_errno(int stat) } if (stat <= 10000 || stat > 10100) { /* The server is looney tunes. */ - return -ESERVERFAULT; + return -EREMOTEIO; } /* If we cannot translate the error, the recovery routines should * handle it. diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index e2975939126..a12c45b65dd 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -176,6 +176,12 @@ void nfs_release_request(struct nfs_page *req) kref_put(&req->wb_kref, nfs_free_request); } +static int nfs_wait_bit_uninterruptible(void *word) +{ + io_schedule(); + return 0; +} + /** * nfs_wait_on_request - Wait for a request to complete. * @req: request to wait upon. @@ -186,14 +192,9 @@ void nfs_release_request(struct nfs_page *req) int nfs_wait_on_request(struct nfs_page *req) { - int ret = 0; - - if (!test_bit(PG_BUSY, &req->wb_flags)) - goto out; - ret = out_of_line_wait_on_bit(&req->wb_flags, PG_BUSY, - nfs_wait_bit_killable, TASK_KILLABLE); -out: - return ret; + return wait_on_bit(&req->wb_flags, PG_BUSY, + nfs_wait_bit_uninterruptible, + TASK_UNINTERRUPTIBLE); } /** diff --git a/fs/nfs/super.c b/fs/nfs/super.c index ce907efc550..f1afee4eea7 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -243,6 +243,7 @@ static int nfs_show_stats(struct seq_file *, struct vfsmount *); static int nfs_get_sb(struct file_system_type *, int, const char *, void *, struct vfsmount *); static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *raw_data, struct vfsmount *mnt); +static void nfs_put_super(struct super_block *); static void nfs_kill_super(struct super_block *); static int nfs_remount(struct super_block *sb, int *flags, char *raw_data); @@ -266,6 +267,7 @@ static const struct super_operations nfs_sops = { .alloc_inode = nfs_alloc_inode, .destroy_inode = nfs_destroy_inode, .write_inode = nfs_write_inode, + .put_super = nfs_put_super, .statfs = nfs_statfs, .clear_inode = nfs_clear_inode, .umount_begin = nfs_umount_begin, @@ -335,6 +337,7 @@ static const struct super_operations nfs4_sops = { .alloc_inode = nfs_alloc_inode, .destroy_inode = nfs_destroy_inode, .write_inode = nfs_write_inode, + .put_super = nfs_put_super, .statfs = nfs_statfs, .clear_inode = nfs4_clear_inode, .umount_begin = nfs_umount_begin, @@ -2258,6 +2261,17 @@ error_splat_super: } /* + * Ensure that we unregister the bdi before kill_anon_super + * releases the device name + */ +static void nfs_put_super(struct super_block *s) +{ + struct nfs_server *server = NFS_SB(s); + + bdi_unregister(&server->backing_dev_info); +} + +/* * Destroy an NFS2/3 superblock */ static void nfs_kill_super(struct super_block *s) @@ -2265,7 +2279,6 @@ static void nfs_kill_super(struct super_block *s) struct nfs_server *server = NFS_SB(s); kill_anon_super(s); - bdi_unregister(&server->backing_dev_info); nfs_fscache_release_super_cookie(s); nfs_free_server(server); } diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c index 70e1fbbaaea..ad4d2e787b2 100644 --- a/fs/nfs/sysctl.c +++ b/fs/nfs/sysctl.c @@ -15,8 +15,10 @@ #include "callback.h" +#ifdef CONFIG_NFS_V4 static const int nfs_set_port_min = 0; static const int nfs_set_port_max = 65535; +#endif static struct ctl_table_header *nfs_callback_sysctl_table; static ctl_table nfs_cb_sysctls[] = { diff --git a/fs/nfs/write.c b/fs/nfs/write.c index d171696017f..d63d964a039 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1233,7 +1233,7 @@ int nfs_writeback_done(struct rpc_task *task, struct nfs_write_data *data) #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) -void nfs_commitdata_release(void *data) +static void nfs_commitdata_release(void *data) { struct nfs_write_data *wdata = data; @@ -1541,6 +1541,7 @@ int nfs_wb_page_cancel(struct inode *inode, struct page *page) break; } ret = nfs_wait_on_request(req); + nfs_release_request(req); if (ret < 0) goto out; } @@ -1597,8 +1598,7 @@ int nfs_migrate_page(struct address_space *mapping, struct page *newpage, struct nfs_page *req; int ret; - if (PageFsCache(page)) - nfs_fscache_release_page(page, GFP_KERNEL); + nfs_fscache_release_page(page, GFP_KERNEL); req = nfs_find_and_lock_request(page); ret = PTR_ERR(req); |