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Change boolean-like uint8_t fields in znode_t to boolean_t

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Given znode_t is an in-core structure, it's more readable to have
them as boolean. Also co-locate existing boolean fields with them
for space efficiency (expecting 8 booleans to be packed/aligned).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Closes #9092
This commit is contained in:
Tomohiro Kusumi
2019-08-13 22:58:02 +09:00
committed by Brian Behlendorf
parent fccbd1d6e2
commit a43570c5f3
4 changed files with 37 additions and 37 deletions
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include/sys/zfs_znode.h
+8 -8
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@@ -192,10 +192,14 @@ typedef struct znode {
krwlock_t z_name_lock; /* "master" lock for dirent locks */
zfs_dirlock_t *z_dirlocks; /* directory entry lock list */
rangelock_t z_rangelock; /* file range locks */
uint8_t z_unlinked; /* file has been unlinked */
uint8_t z_atime_dirty; /* atime needs to be synced */
uint8_t z_zn_prefetch; /* Prefetch znodes? */
uint8_t z_moved; /* Has this znode been moved? */
boolean_t z_unlinked; /* file has been unlinked */
boolean_t z_atime_dirty; /* atime needs to be synced */
boolean_t z_zn_prefetch; /* Prefetch znodes? */
boolean_t z_moved; /* Has this znode been moved? */
boolean_t z_is_sa; /* are we native sa? */
boolean_t z_is_mapped; /* are we mmap'ed */
boolean_t z_is_ctldir; /* are we .zfs entry */
boolean_t z_is_stale; /* are we stale due to rollback? */
uint_t z_blksz; /* block size in bytes */
uint_t z_seq; /* modification sequence number */
uint64_t z_mapcnt; /* number of pages mapped to file */
@@ -212,10 +216,6 @@ typedef struct znode {
uint64_t z_projid; /* project ID */
list_node_t z_link_node; /* all znodes in fs link */
sa_handle_t *z_sa_hdl; /* handle to sa data */
boolean_t z_is_sa; /* are we native sa? */
boolean_t z_is_mapped; /* are we mmap'ed */
boolean_t z_is_ctldir; /* are we .zfs entry */
boolean_t z_is_stale; /* are we stale due to rollback? */
struct inode z_inode; /* generic vfs inode */
} znode_t;