From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Convert the xfs_timestamp struct to a union so that we can overload it in the next patch. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- db/field.c | 2 +- db/inode.c | 2 +- libxfs/xfs_format.h | 16 +++++++++------- libxfs/xfs_inode_buf.c | 4 ++-- libxfs/xfs_inode_buf.h | 4 ++-- libxfs/xfs_log_format.h | 16 +++++++++------- repair/dinode.c | 2 +- 7 files changed, 25 insertions(+), 21 deletions(-) diff --git a/db/field.c b/db/field.c index 0f41be636db4..cf3002c730e6 100644 --- a/db/field.c +++ b/db/field.c @@ -350,7 +350,7 @@ const ftattr_t ftattrtab[] = { { FLDT_TIME, "time", fp_time, NULL, SI(bitsz(int32_t)), FTARG_SIGNED, NULL, NULL }, { FLDT_TIMESTAMP, "timestamp", NULL, (char *)timestamp_flds, - SI(bitsz(struct xfs_timestamp)), 0, NULL, timestamp_flds }, + SI(bitsz(union xfs_timestamp)), 0, NULL, timestamp_flds }, { FLDT_UINT1, "uint1", fp_num, "%u", SI(1), 0, NULL, NULL }, { FLDT_UINT16D, "uint16d", fp_num, "%u", SI(bitsz(uint16_t)), 0, NULL, NULL }, diff --git a/db/inode.c b/db/inode.c index dfaf12816d75..25112bb5e4d8 100644 --- a/db/inode.c +++ b/db/inode.c @@ -179,7 +179,7 @@ const field_t inode_v3_flds[] = { }; -#define TOFF(f) bitize(offsetof(struct xfs_timestamp, t_ ## f)) +#define TOFF(f) bitize(offsetof(union xfs_timestamp, t_ ## f)) const field_t timestamp_flds[] = { { "sec", FLDT_TIME, OI(TOFF(sec)), C1, 0, TYP_NONE }, { "nsec", FLDT_NSEC, OI(TOFF(nsec)), C1, 0, TYP_NONE }, diff --git a/libxfs/xfs_format.h b/libxfs/xfs_format.h index d11adbbd1808..5403d3412cb6 100644 --- a/libxfs/xfs_format.h +++ b/libxfs/xfs_format.h @@ -856,9 +856,11 @@ struct xfs_agfl { * Inode timestamps consist of signed 32-bit counters for seconds and * nanoseconds; time zero is the Unix epoch, Jan 1 00:00:00 UTC 1970. */ -struct xfs_timestamp { - __be32 t_sec; /* timestamp seconds */ - __be32 t_nsec; /* timestamp nanoseconds */ +union xfs_timestamp { + struct { + __be32 t_sec; /* timestamp seconds */ + __be32 t_nsec; /* timestamp nanoseconds */ + }; }; /* @@ -904,9 +906,9 @@ typedef struct xfs_dinode { __be16 di_projid_hi; /* higher part owner's project id */ __u8 di_pad[6]; /* unused, zeroed space */ __be16 di_flushiter; /* incremented on flush */ - struct xfs_timestamp di_atime; /* time last accessed */ - struct xfs_timestamp di_mtime; /* time last modified */ - struct xfs_timestamp di_ctime; /* time created/inode modified */ + union xfs_timestamp di_atime; /* time last accessed */ + union xfs_timestamp di_mtime; /* time last modified */ + union xfs_timestamp di_ctime; /* time created/inode modified */ __be64 di_size; /* number of bytes in file */ __be64 di_nblocks; /* # of direct & btree blocks used */ __be32 di_extsize; /* basic/minimum extent size for file */ @@ -931,7 +933,7 @@ typedef struct xfs_dinode { __u8 di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ - struct xfs_timestamp di_crtime; /* time created */ + union xfs_timestamp di_crtime; /* time created */ __be64 di_ino; /* inode number */ uuid_t di_uuid; /* UUID of the filesystem */ diff --git a/libxfs/xfs_inode_buf.c b/libxfs/xfs_inode_buf.c index 9f7309f9a576..a6c44ca6f2ad 100644 --- a/libxfs/xfs_inode_buf.c +++ b/libxfs/xfs_inode_buf.c @@ -161,7 +161,7 @@ xfs_imap_to_bp( void xfs_inode_from_disk_timestamp( struct timespec64 *tv, - const struct xfs_timestamp *ts) + const union xfs_timestamp *ts) { tv->tv_sec = (int)be32_to_cpu(ts->t_sec); tv->tv_nsec = (int)be32_to_cpu(ts->t_nsec); @@ -260,7 +260,7 @@ xfs_inode_from_disk( void xfs_inode_to_disk_timestamp( - struct xfs_timestamp *ts, + union xfs_timestamp *ts, const struct timespec64 *tv) { ts->t_sec = cpu_to_be32(tv->tv_sec); diff --git a/libxfs/xfs_inode_buf.h b/libxfs/xfs_inode_buf.h index 9c63f3f932d7..f6160033fcbd 100644 --- a/libxfs/xfs_inode_buf.h +++ b/libxfs/xfs_inode_buf.h @@ -59,8 +59,8 @@ xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp, uint64_t flags2); void xfs_inode_from_disk_timestamp(struct timespec64 *tv, - const struct xfs_timestamp *ts); -void xfs_inode_to_disk_timestamp(struct xfs_timestamp *ts, + const union xfs_timestamp *ts); +void xfs_inode_to_disk_timestamp(union xfs_timestamp *ts, const struct timespec64 *tv); #endif /* __XFS_INODE_BUF_H__ */ diff --git a/libxfs/xfs_log_format.h b/libxfs/xfs_log_format.h index f2fac9bea66d..17c83d29998c 100644 --- a/libxfs/xfs_log_format.h +++ b/libxfs/xfs_log_format.h @@ -368,9 +368,11 @@ static inline int xfs_ilog_fdata(int w) * directly mirrors the xfs_dinode structure as it must contain all the same * information. */ -struct xfs_ictimestamp { - int32_t t_sec; /* timestamp seconds */ - int32_t t_nsec; /* timestamp nanoseconds */ +union xfs_ictimestamp { + struct { + int32_t t_sec; /* timestamp seconds */ + int32_t t_nsec; /* timestamp nanoseconds */ + }; }; /* @@ -390,9 +392,9 @@ struct xfs_log_dinode { uint16_t di_projid_hi; /* higher part of owner's project id */ uint8_t di_pad[6]; /* unused, zeroed space */ uint16_t di_flushiter; /* incremented on flush */ - struct xfs_ictimestamp di_atime; /* time last accessed */ - struct xfs_ictimestamp di_mtime; /* time last modified */ - struct xfs_ictimestamp di_ctime; /* time created/inode modified */ + union xfs_ictimestamp di_atime; /* time last accessed */ + union xfs_ictimestamp di_mtime; /* time last modified */ + union xfs_ictimestamp di_ctime; /* time created/inode modified */ xfs_fsize_t di_size; /* number of bytes in file */ xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ @@ -417,7 +419,7 @@ struct xfs_log_dinode { uint8_t di_pad2[12]; /* more padding for future expansion */ /* fields only written to during inode creation */ - struct xfs_ictimestamp di_crtime; /* time created */ + union xfs_ictimestamp di_crtime; /* time created */ xfs_ino_t di_ino; /* inode number */ uuid_t di_uuid; /* UUID of the filesystem */ diff --git a/repair/dinode.c b/repair/dinode.c index 957a2698b09e..c5f2248b2b9a 100644 --- a/repair/dinode.c +++ b/repair/dinode.c @@ -2169,7 +2169,7 @@ static void check_nsec( const char *name, xfs_ino_t lino, - struct xfs_timestamp *t, + union xfs_timestamp *t, int *dirty) { if (be32_to_cpu(t->t_nsec) < 1000000000)