Commit afc1246f authored by Richard Kennedy's avatar Richard Kennedy Committed by J. Bruce Fields
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file lock: reorder struct file_lock to save space on 64 bit builds 



Reduce sizeof struct file_lock by 8 on 64 bit builds allowing +1 objects
per slab in the file_lock_cache

Signed-off-by: default avatarRichard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent e518f056

include/linux/fs.h

+2 −2
Original line number Diff line number Diff line
@@ -917,12 +917,12 @@ struct file_lock { 
	struct list_head fl_link;	/* doubly linked list of all locks */

	struct list_head fl_block;	/* circular list of blocked processes */

	fl_owner_t fl_owner;

	unsigned char fl_flags;

	unsigned char fl_type;

	unsigned int fl_pid;

	struct pid *fl_nspid;

	wait_queue_head_t fl_wait;

	struct file *fl_file;

	unsigned char fl_flags;

	unsigned char fl_type;

	loff_t fl_start;

	loff_t fl_end;