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| author | NeilBrown <neilb@suse.de> | 2009-10-12 16:55:12 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-10-12 16:55:12 +1100 |
| commit | 5fdf37e35783a00ded31a7287785451134c9ca26 (patch) | |
| tree | 6b34f64e085c5319ee0dfffba87ddb31bd3ecbe3 /Grow.c | |
| parent | 249887eb76d984d7a0053dfc79cd917880e883de (diff) | |
| download | mdadm-5fdf37e35783a00ded31a7287785451134c9ca26.tar.gz mdadm-5fdf37e35783a00ded31a7287785451134c9ca26.tar.xz mdadm-5fdf37e35783a00ded31a7287785451134c9ca26.zip | |
Grow: make sure bsb2 is properly aligned
We do O_DIRECT io in bsb2, so it must be aligned
properly. Easiest if it is static.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'Grow.c')
| -rw-r--r-- | Grow.c | 5 |
1 files changed, 2 insertions, 3 deletions
@@ -387,7 +387,7 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int * It has the following structure. */ -struct mdp_backup_super { +static struct mdp_backup_super { char magic[16]; /* md_backup_data-1 or -2 */ __u8 set_uuid[16]; __u64 mtime; @@ -402,7 +402,7 @@ struct mdp_backup_super { __u64 length2; __u32 sb_csum2; /* csum of preceeding bytes. */ __u8 pad[512-68-32]; -} __attribute__((aligned(512))) bsb; +} __attribute__((aligned(512))) bsb, bsb2; int bsb_csum(char *buf, int len) { @@ -1331,7 +1331,6 @@ static void validate(int afd, int bfd, unsigned long long offset) * This is only used for regression testing and should not * be used while the array is active */ - struct mdp_backup_super bsb2; if (afd < 0) return; lseek64(bfd, offset - 4096, 0); |