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fs: reorder i_state bits

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so that we can use the first bits to derive unique addresses from
i_state.

Link: https://lore.kernel.org/r/20240823-work-i_state-v3-2-5cd5fd207a57@kernel.org
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2024-08-23 14:47:36 +02:00
parent da18ecbf0f
commit 2ed634c96e
1 changed files with 21 additions and 17 deletions
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38
include/linux/fs.h
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@ -2410,28 +2410,32 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src,
* i_count.
*
* Q: What is the difference between I_WILL_FREE and I_FREEING?
*
* __I_{SYNC,NEW,LRU_ISOLATING} are used to derive unique addresses to wait
* upon. There's one free address left.
*/
#define I_DIRTY_SYNC (1 << 0)
#define I_DIRTY_DATASYNC (1 << 1)
#define I_DIRTY_PAGES (1 << 2)
#define __I_NEW 3
#define __I_NEW 0
#define I_NEW (1 << __I_NEW)
#define I_WILL_FREE (1 << 4)
#define I_FREEING (1 << 5)
#define I_CLEAR (1 << 6)
#define __I_SYNC 7
#define __I_SYNC 1
#define I_SYNC (1 << __I_SYNC)
#define I_REFERENCED (1 << 8)
#define __I_LRU_ISOLATING 2
#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING)
#define I_DIRTY_SYNC (1 << 3)
#define I_DIRTY_DATASYNC (1 << 4)
#define I_DIRTY_PAGES (1 << 5)
#define I_WILL_FREE (1 << 6)
#define I_FREEING (1 << 7)
#define I_CLEAR (1 << 8)
#define I_REFERENCED (1 << 9)
#define I_LINKABLE (1 << 10)
#define I_DIRTY_TIME (1 << 11)
#define I_WB_SWITCH (1 << 13)
#define I_OVL_INUSE (1 << 14)
#define I_CREATING (1 << 15)
#define I_DONTCACHE (1 << 16)
#define I_SYNC_QUEUED (1 << 17)
#define I_PINNING_NETFS_WB (1 << 18)
#define __I_LRU_ISOLATING 19
#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING)
#define I_WB_SWITCH (1 << 12)
#define I_OVL_INUSE (1 << 13)
#define I_CREATING (1 << 14)
#define I_DONTCACHE (1 << 15)
#define I_SYNC_QUEUED (1 << 16)
#define I_PINNING_NETFS_WB (1 << 17)
#define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC)
#define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES)