diff options
| author | Jan Kara <jack@suse.cz> | 2016-11-10 17:51:50 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2017-04-10 17:37:36 +0200 |
| commit | 9385a84d7e1f658bb2d96ab798393e4b16268aaa (patch) | |
| tree | dd5d112c6bb46d97069645a2e34a38c5998e1234 /fs/notify/inotify | |
| parent | fsnotify: Provide framework for dropping SRCU lock in ->handle_event (diff) | |
| download | linux-9385a84d7e1f658bb2d96ab798393e4b16268aaa.tar.xz linux-9385a84d7e1f658bb2d96ab798393e4b16268aaa.zip | |
fsnotify: Pass fsnotify_iter_info into handle_event handler
Pass fsnotify_iter_info into ->handle_event() handler so that it can
release and reacquire SRCU lock via fsnotify_prepare_user_wait() and
fsnotify_finish_user_wait() functions. These functions also make sure
current marks are appropriately pinned so that iteration protected by
srcu in fsnotify() stays safe.
Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/notify/inotify')
| -rw-r--r-- | fs/notify/inotify/inotify.h | 3 | ||||
| -rw-r--r-- | fs/notify/inotify/inotify_fsnotify.c | 3 | ||||
| -rw-r--r-- | fs/notify/inotify/inotify_user.c | 2 |
3 files changed, 5 insertions, 3 deletions
diff --git a/fs/notify/inotify/inotify.h b/fs/notify/inotify/inotify.h index 7c461fd49c4c..7a966f456269 100644 --- a/fs/notify/inotify/inotify.h +++ b/fs/notify/inotify/inotify.h @@ -27,7 +27,8 @@ extern int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, const void *data, int data_type, - const unsigned char *file_name, u32 cookie); + const unsigned char *file_name, u32 cookie, + struct fsnotify_iter_info *iter_info); extern const struct fsnotify_ops inotify_fsnotify_ops; diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c index f310d8368a2d..ccd6a4055e0c 100644 --- a/fs/notify/inotify/inotify_fsnotify.c +++ b/fs/notify/inotify/inotify_fsnotify.c @@ -68,7 +68,8 @@ int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_mark *inode_mark, struct fsnotify_mark *vfsmount_mark, u32 mask, const void *data, int data_type, - const unsigned char *file_name, u32 cookie) + const unsigned char *file_name, u32 cookie, + struct fsnotify_iter_info *iter_info) { struct inotify_inode_mark *i_mark; struct inotify_event_info *event; diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 43cbd1b178c9..05b268ec0f5f 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -474,7 +474,7 @@ void inotify_ignored_and_remove_idr(struct fsnotify_mark *fsn_mark, /* Queue ignore event for the watch */ inotify_handle_event(group, NULL, fsn_mark, NULL, FS_IN_IGNORED, - NULL, FSNOTIFY_EVENT_NONE, NULL, 0); + NULL, FSNOTIFY_EVENT_NONE, NULL, 0, NULL); i_mark = container_of(fsn_mark, struct inotify_inode_mark, fsn_mark); /* remove this mark from the idr */ |