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author | Josh Boyer <jwboyer@redhat.com> | 2012-01-20 13:32:57 -0500 |
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committer | Josh Boyer <jwboyer@redhat.com> | 2012-01-20 13:32:57 -0500 |
commit | e8409b1dce1d927283cb4999d9902b8cda4f86fc (patch) | |
tree | aebdcb0443b56c5cee9135f08f5cf8b9678d76e6 /nfs-client-freezer.patch | |
parent | 0a621ccdd414267ae3ff952951be5547f0512383 (diff) | |
download | kernel-e8409b1dce1d927283cb4999d9902b8cda4f86fc.tar.gz kernel-e8409b1dce1d927283cb4999d9902b8cda4f86fc.tar.xz kernel-e8409b1dce1d927283cb4999d9902b8cda4f86fc.zip |
Rebase to Linux 3.3-rc1
The utrace patch is left unapplied as it doesn't apply cleanly any longer
Diffstat (limited to 'nfs-client-freezer.patch')
-rw-r--r-- | nfs-client-freezer.patch | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/nfs-client-freezer.patch b/nfs-client-freezer.patch deleted file mode 100644 index 5f5b0836e..000000000 --- a/nfs-client-freezer.patch +++ /dev/null @@ -1,197 +0,0 @@ -@@ -, +, @@ - fs/nfs/inode.c | 3 ++- - fs/nfs/nfs3proc.c | 3 ++- - fs/nfs/nfs4proc.c | 5 +++-- - fs/nfs/proc.c | 3 ++- - include/linux/freezer.h | 28 ++++++++++++++++++++++++++++ - net/sunrpc/sched.c | 3 ++- - 6 files changed, 39 insertions(+), 6 deletions(-) ---- a/fs/nfs/inode.c -+++ a/fs/nfs/inode.c -@@ -38,6 +38,7 @@ - #include <linux/nfs_xdr.h> - #include <linux/slab.h> - #include <linux/compat.h> -+#include <linux/freezer.h> - - #include <asm/system.h> - #include <asm/uaccess.h> -@@ -77,7 +78,7 @@ int nfs_wait_bit_killable(void *word) - { - if (fatal_signal_pending(current)) - return -ERESTARTSYS; -- schedule(); -+ freezable_schedule(); - return 0; - } - ---- a/fs/nfs/nfs3proc.c -+++ a/fs/nfs/nfs3proc.c -@@ -17,6 +17,7 @@ - #include <linux/nfs_page.h> - #include <linux/lockd/bind.h> - #include <linux/nfs_mount.h> -+#include <linux/freezer.h> - - #include "iostat.h" - #include "internal.h" -@@ -32,7 +33,7 @@ nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) - res = rpc_call_sync(clnt, msg, flags); - if (res != -EJUKEBOX && res != -EKEYEXPIRED) - break; -- schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); -+ freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); - res = -ERESTARTSYS; - } while (!fatal_signal_pending(current)); - return res; ---- a/fs/nfs/nfs4proc.c -+++ a/fs/nfs/nfs4proc.c -@@ -53,6 +53,7 @@ - #include <linux/sunrpc/bc_xprt.h> - #include <linux/xattr.h> - #include <linux/utsname.h> -+#include <linux/freezer.h> - - #include "nfs4_fs.h" - #include "delegation.h" -@@ -241,7 +242,7 @@ static int nfs4_delay(struct rpc_clnt *clnt, long *timeout) - *timeout = NFS4_POLL_RETRY_MIN; - if (*timeout > NFS4_POLL_RETRY_MAX) - *timeout = NFS4_POLL_RETRY_MAX; -- schedule_timeout_killable(*timeout); -+ freezable_schedule_timeout_killable(*timeout); - if (fatal_signal_pending(current)) - res = -ERESTARTSYS; - *timeout <<= 1; -@@ -3950,7 +3951,7 @@ int nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, const nfs4 - static unsigned long - nfs4_set_lock_task_retry(unsigned long timeout) - { -- schedule_timeout_killable(timeout); -+ freezable_schedule_timeout_killable(timeout); - timeout <<= 1; - if (timeout > NFS4_LOCK_MAXTIMEOUT) - return NFS4_LOCK_MAXTIMEOUT; ---- a/fs/nfs/proc.c -+++ a/fs/nfs/proc.c -@@ -41,6 +41,7 @@ - #include <linux/nfs_fs.h> - #include <linux/nfs_page.h> - #include <linux/lockd/bind.h> -+#include <linux/freezer.h> - #include "internal.h" - - #define NFSDBG_FACILITY NFSDBG_PROC -@@ -59,7 +60,7 @@ nfs_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) - res = rpc_call_sync(clnt, msg, flags); - if (res != -EKEYEXPIRED) - break; -- schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); -+ freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME); - res = -ERESTARTSYS; - } while (!fatal_signal_pending(current)); - return res; ---- a/include/linux/freezer.h -+++ a/include/linux/freezer.h -@@ -135,6 +135,29 @@ static inline void set_freezable_with_signal(void) - } - - /* -+ * These macros are intended to be used whenever you want allow a task that's -+ * sleeping in TASK_UNINTERRUPTIBLE or TASK_KILLABLE state to be frozen. Note -+ * that neither return any clear indication of whether a freeze event happened -+ * while in this function. -+ */ -+ -+/* Like schedule(), but should not block the freezer. */ -+#define freezable_schedule() \ -+({ \ -+ freezer_do_not_count(); \ -+ schedule(); \ -+ freezer_count(); \ -+}) -+ -+/* Like schedule_timeout_killable(), but should not block the freezer. */ -+#define freezable_schedule_timeout_killable(timeout) \ -+({ \ -+ freezer_do_not_count(); \ -+ schedule_timeout_killable(timeout); \ -+ freezer_count(); \ -+}) -+ -+/* - * Freezer-friendly wrappers around wait_event_interruptible(), - * wait_event_killable() and wait_event_interruptible_timeout(), originally - * defined in <linux/wait.h> -@@ -194,6 +217,11 @@ static inline int freezer_should_skip(struct task_struct *p) { return 0; } - static inline void set_freezable(void) {} - static inline void set_freezable_with_signal(void) {} - -+#define freezable_schedule() schedule() -+ -+#define freezable_schedule_timeout_killable(timeout) \ -+ schedule_timeout_killable(timeout) -+ - #define wait_event_freezable(wq, condition) \ - wait_event_interruptible(wq, condition) - ---- a/net/sunrpc/sched.c -+++ a/net/sunrpc/sched.c -@@ -18,6 +18,7 @@ - #include <linux/smp.h> - #include <linux/spinlock.h> - #include <linux/mutex.h> -+#include <linux/freezer.h> - - #include <linux/sunrpc/clnt.h> - -@@ -231,7 +232,7 @@ static int rpc_wait_bit_killable(void *word) - { - if (fatal_signal_pending(current)) - return -ERESTARTSYS; -- schedule(); -+ freezable_schedule(); - return 0; - } - - include/linux/freezer.h | 21 ++++++++++++++++++--- - 1 files changed, 18 insertions(+), 3 deletions(-) ---- a/include/linux/freezer.h -+++ a/include/linux/freezer.h -@@ -141,18 +141,33 @@ static inline void set_freezable_with_signal(void) - * while in this function. - */ - --/* Like schedule(), but should not block the freezer. */ -+/* -+ * Like schedule(), but should not block the freezer. It may return immediately -+ * if it ends up racing with the freezer. Callers must be able to deal with -+ * spurious wakeups. -+ */ - #define freezable_schedule() \ - ({ \ - freezer_do_not_count(); \ -- schedule(); \ -+ if (!try_to_freeze()) \ -+ schedule(); \ - freezer_count(); \ - }) - --/* Like schedule_timeout_killable(), but should not block the freezer. */ -+/* -+ * Like schedule_timeout_killable(), but should not block the freezer. It may -+ * end up returning immediately if it ends up racing with the freezer. Callers -+ * must be able to deal with the loose wakeup timing that can occur when the -+ * freezer races in. When that occurs, this function will return the timeout -+ * value instead of 0. -+ */ - #define freezable_schedule_timeout_killable(timeout) \ - ({ \ - freezer_do_not_count(); \ -+ if (try_to_freeze()) { \ -+ freezer_count(); \ -+ return timeout; \ -+ } \ - schedule_timeout_killable(timeout); \ - freezer_count(); \ - }) |