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authorRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2011-12-21 21:59:45 +0100
commitb00f4dc5ff022cb9cbaffd376d9454d7fa1e496f (patch)
tree40f1b232e2f1e8ac365317a14fdcbcb331722b46 /include/linux/pstore.h
parent1eac8111e0763853266a171ce11214da3a347a0a (diff)
parentb9e26dfdad5a4f9cbdaacafac6998614cc9c41bc (diff)
Merge branch 'master' into pm-sleep
* master: (848 commits) SELinux: Fix RCU deref check warning in sel_netport_insert() binary_sysctl(): fix memory leak mm/vmalloc.c: remove static declaration of va from __get_vm_area_node ipmi_watchdog: restore settings when BMC reset oom: fix integer overflow of points in oom_badness memcg: keep root group unchanged if creation fails nilfs2: potential integer overflow in nilfs_ioctl_clean_segments() nilfs2: unbreak compat ioctl cpusets: stall when updating mems_allowed for mempolicy or disjoint nodemask evm: prevent racing during tfm allocation evm: key must be set once during initialization mmc: vub300: fix type of firmware_rom_wait_states module parameter Revert "mmc: enable runtime PM by default" mmc: sdhci: remove "state" argument from sdhci_suspend_host x86, dumpstack: Fix code bytes breakage due to missing KERN_CONT IB/qib: Correct sense on freectxts increment and decrement RDMA/cma: Verify private data length cgroups: fix a css_set not found bug in cgroup_attach_proc oprofile: Fix uninitialized memory access when writing to writing to oprofilefs Revert "xen/pv-on-hvm kexec: add xs_reset_watches to shutdown watches from old kernel" ... Conflicts: kernel/cgroup_freezer.c
Diffstat (limited to 'include/linux/pstore.h')
-rw-r--r--include/linux/pstore.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index ea567321ae3c..2ca8cde5459d 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -35,10 +35,12 @@ struct pstore_info {
spinlock_t buf_lock; /* serialize access to 'buf' */
char *buf;
size_t bufsize;
+ struct mutex read_mutex; /* serialize open/read/close */
int (*open)(struct pstore_info *psi);
int (*close)(struct pstore_info *psi);
ssize_t (*read)(u64 *id, enum pstore_type_id *type,
- struct timespec *time, struct pstore_info *psi);
+ struct timespec *time, char **buf,
+ struct pstore_info *psi);
int (*write)(enum pstore_type_id type, u64 *id,
unsigned int part, size_t size, struct pstore_info *psi);
int (*erase)(enum pstore_type_id type, u64 id,