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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 14:15:47 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 14:15:47 +0300 |
| commit | 94fb1afb14c4f0ceb8c5508ddddac6819f662e95 (patch) | |
| tree | 4988e5769dc7482caa7f441475ae31f50bbd37ef /Documentation/filesystems/locking.rst | |
| parent | c4735d990268399da9133b0ad445e488ece009ad (diff) | |
| parent | 47ec5303d73ea344e84f46660fff693c57641386 (diff) | |
| download | linux-94fb1afb14c4f0ceb8c5508ddddac6819f662e95.tar.xz | |
Mgerge remote-tracking branch 'torvalds/master' into perf/core
To sync headers, for instance, in this case tools/perf was ahead of
upstream till Linus merged tip/perf/core to get the
PERF_RECORD_TEXT_POKE changes:
Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h'
diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'Documentation/filesystems/locking.rst')
| -rw-r--r-- | Documentation/filesystems/locking.rst | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst index 318605de83f3..64f94a18d97e 100644 --- a/Documentation/filesystems/locking.rst +++ b/Documentation/filesystems/locking.rst @@ -433,15 +433,15 @@ prototypes:: locking rules: -========== ============= ================= ========= +====================== ============= ================= ========= ops inode->i_lock blocked_lock_lock may block -========== ============= ================= ========= +====================== ============= ================= ========= lm_notify: yes yes no lm_grant: no no no lm_break: yes no no lm_change yes no no lm_breaker_owns_lease: no no no -========== ============= ================= ========= +====================== ============= ================= ========= buffer_head =========== @@ -467,7 +467,6 @@ prototypes:: int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*direct_access) (struct block_device *, sector_t, void **, unsigned long *); - int (*media_changed) (struct gendisk *); void (*unlock_native_capacity) (struct gendisk *); int (*revalidate_disk) (struct gendisk *); int (*getgeo)(struct block_device *, struct hd_geometry *); @@ -483,14 +482,13 @@ release: yes ioctl: no compat_ioctl: no direct_access: no -media_changed: no unlock_native_capacity: no revalidate_disk: no getgeo: no swap_slot_free_notify: no (see below) ======================= =================== -media_changed, unlock_native_capacity and revalidate_disk are called only from +unlock_native_capacity and revalidate_disk are called only from check_disk_change(). swap_slot_free_notify is called with swap_lock and sometimes the page lock @@ -616,9 +614,9 @@ prototypes:: locking rules: -============= ======== =========================== +============= ========= =========================== ops mmap_lock PageLocked(page) -============= ======== =========================== +============= ========= =========================== open: yes close: yes fault: yes can return with page locked @@ -626,7 +624,7 @@ map_pages: yes page_mkwrite: yes can return with page locked pfn_mkwrite: yes access: yes -============= ======== =========================== +============= ========= =========================== ->fault() is called when a previously not present pte is about to be faulted in. The filesystem must find and return the page associated |