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locks: keep a count of locks on the flctx lists

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This makes things a bit more efficient in the cifs and ceph lock
pushing code.

Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Acked-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Jeff Layton 2015-01-16 15:05:57 -05:00 • committed by Jeff Layton
commit 9bd0f45b70
4 changed files with 38 additions and 35 deletions
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3
include/linux/fs.h
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@ -972,6 +972,9 @@ struct file_lock_context {
struct list_head flc_flock;
struct list_head flc_posix;
struct list_head flc_lease;
int flc_flock_cnt;
int flc_posix_cnt;
int flc_lease_cnt;
};
/* The following constant reflects the upper bound of the file/locking space */