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fanotify: Wrap object_fh inline space in a creator macro 

fanotify_error_event would duplicate this sequence of declarations that
already exist elsewhere with a slight different size.  Create a helper
macro to avoid code duplication.

Link: https://lore.kernel.org/r/20211025192746.66445-23-krisman@collabora.com
Suggested-by: Jan Kara <jack@suse.cz>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Gabriel Krisman Bertazi 2021-10-25 16:27:37 -03:00 committed by Jan Kara
parent 8a6ae64132
commit 2c5069433a
1 changed files with 9 additions and 3 deletions
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12
fs/notify/fanotify/fanotify.h
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@ -171,12 +171,18 @@ static inline void fanotify_init_event(struct fanotify_event *event,
event->pid = NULL; event->pid = NULL;
} }
#define FANOTIFY_INLINE_FH(name, size) \
struct { \
struct fanotify_fh (name); \
/* Space for object_fh.buf[] - access with fanotify_fh_buf() */ \
unsigned char _inline_fh_buf[(size)]; \
}
struct fanotify_fid_event { struct fanotify_fid_event {
struct fanotify_event fae; struct fanotify_event fae;
__kernel_fsid_t fsid; __kernel_fsid_t fsid;
struct fanotify_fh object_fh;
/* Reserve space in object_fh.buf[] - access with fanotify_fh_buf() */ FANOTIFY_INLINE_FH(object_fh, FANOTIFY_INLINE_FH_LEN);
unsigned char _inline_fh_buf[FANOTIFY_INLINE_FH_LEN];
}; };
static inline struct fanotify_fid_event * static inline struct fanotify_fid_event *