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Pass mode to wait_on_atomic_t() action funcs and provide default actions

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Make wait_on_atomic_t() pass the TASK_* mode onto its action function as an
extra argument and make it 'unsigned int throughout.

Also, consolidate a bunch of identical action functions into a default
function that can do the appropriate thing for the mode.

Also, change the argument name in the bit_wait*() function declarations to
reflect the fact that it's the mode and not the bit number.

[Peter Z gives this a grudging ACK, but thinks that the whole atomic_t wait
should be done differently, though he's not immediately sure as to how]

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
cc: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
David Howells
2017-11-02 15:27:44 +00:00
parent 81445e63e6
commit 5e4def2038
14 changed files with 37 additions and 98 deletions
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2
fs/nfs/internal.h
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@ -388,7 +388,7 @@ extern void nfs_evict_inode(struct inode *);
void nfs_zap_acl_cache(struct inode *inode);
extern bool nfs_check_cache_invalid(struct inode *, unsigned long);
extern int nfs_wait_bit_killable(struct wait_bit_key *key, int mode);
extern int nfs_wait_atomic_killable(atomic_t *p);
extern int nfs_wait_atomic_killable(atomic_t *p, unsigned int mode);
/* super.c */
extern const struct super_operations nfs_sops;