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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 13:37:40 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-18 13:37:40 -0400
commite16b396ce314b2bcdfe6c173fe075bf8e3432368 (patch)
tree640f0f56f2ea676647af4eb42d32fa56be2ee549 /fs/eventpoll.c
parent7fd23a24717a327a66f3c32d11a20a2f169c824f (diff)
parente6e8dd5055a974935af1398c8648d4a9359b0ecb (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (47 commits) doc: CONFIG_UNEVICTABLE_LRU doesn't exist anymore Update cpuset info & webiste for cgroups dcdbas: force SMI to happen when expected arch/arm/Kconfig: remove one to many l's in the word. asm-generic/user.h: Fix spelling in comment drm: fix printk typo 'sracth' Remove one to many n's in a word Documentation/filesystems/romfs.txt: fixing link to genromfs drivers:scsi Change printk typo initate -> initiate serial, pch uart: Remove duplicate inclusion of linux/pci.h header fs/eventpoll.c: fix spelling mm: Fix out-of-date comments which refers non-existent functions drm: Fix printk typo 'failled' coh901318.c: Change initate to initiate. mbox-db5500.c Change initate to initiate. edac: correct i82975x error-info reported edac: correct i82975x mci initialisation edac: correct commented info fs: update comments to point correct document target: remove duplicate include of target/target_core_device.h from drivers/target/target_core_hba.c ... Trivial conflict in fs/eventpoll.c (spelling vs addition)
Diffstat (limited to 'fs/eventpoll.c')
-rw-r--r--fs/eventpoll.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 4a09af9e9a63..ff12f7ac73ef 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -62,7 +62,7 @@
62 * This mutex is acquired by ep_free() during the epoll file 62 * This mutex is acquired by ep_free() during the epoll file
63 * cleanup path and it is also acquired by eventpoll_release_file() 63 * cleanup path and it is also acquired by eventpoll_release_file()
64 * if a file has been pushed inside an epoll set and it is then 64 * if a file has been pushed inside an epoll set and it is then
65 * close()d without a previous call toepoll_ctl(EPOLL_CTL_DEL). 65 * close()d without a previous call to epoll_ctl(EPOLL_CTL_DEL).
66 * It is also acquired when inserting an epoll fd onto another epoll 66 * It is also acquired when inserting an epoll fd onto another epoll
67 * fd. We do this so that we walk the epoll tree and ensure that this 67 * fd. We do this so that we walk the epoll tree and ensure that this
68 * insertion does not create a cycle of epoll file descriptors, which 68 * insertion does not create a cycle of epoll file descriptors, which
@@ -152,11 +152,11 @@ struct epitem {
152 152
153/* 153/*
154 * This structure is stored inside the "private_data" member of the file 154 * This structure is stored inside the "private_data" member of the file
155 * structure and rapresent the main data sructure for the eventpoll 155 * structure and represents the main data structure for the eventpoll
156 * interface. 156 * interface.
157 */ 157 */
158struct eventpoll { 158struct eventpoll {
159 /* Protect the this structure access */ 159 /* Protect the access to this structure */
160 spinlock_t lock; 160 spinlock_t lock;
161 161
162 /* 162 /*
@@ -793,7 +793,7 @@ static struct epitem *ep_find(struct eventpoll *ep, struct file *file, int fd)
793 793
794/* 794/*
795 * This is the callback that is passed to the wait queue wakeup 795 * This is the callback that is passed to the wait queue wakeup
796 * machanism. It is called by the stored file descriptors when they 796 * mechanism. It is called by the stored file descriptors when they
797 * have events to report. 797 * have events to report.
798 */ 798 */
799static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *key) 799static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *key)
@@ -824,9 +824,9 @@ static int ep_poll_callback(wait_queue_t *wait, unsigned mode, int sync, void *k
824 goto out_unlock; 824 goto out_unlock;
825 825
826 /* 826 /*
827 * If we are trasfering events to userspace, we can hold no locks 827 * If we are transferring events to userspace, we can hold no locks
828 * (because we're accessing user memory, and because of linux f_op->poll() 828 * (because we're accessing user memory, and because of linux f_op->poll()
829 * semantics). All the events that happens during that period of time are 829 * semantics). All the events that happen during that period of time are
830 * chained in ep->ovflist and requeued later on. 830 * chained in ep->ovflist and requeued later on.
831 */ 831 */
832 if (unlikely(ep->ovflist != EP_UNACTIVE_PTR)) { 832 if (unlikely(ep->ovflist != EP_UNACTIVE_PTR)) {