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gfs2: Minor gfs2_write_revokes cleanups

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Clean up the computations in gfs2_write_revokes (no change in functionality).

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Andreas Gruenbacher 2020-12-06 13:32:54 +01:00
parent 458094c2c6
commit 5a4e9c607e
1 changed files with 5 additions and 3 deletions
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8
fs/gfs2/log.c
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@ -712,11 +712,13 @@ void gfs2_glock_remove_revoke(struct gfs2_glock *gl)
void gfs2_write_revokes(struct gfs2_sbd *sdp)
{
/* number of revokes we still have room for */
int max_revokes = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) / sizeof(u64);
unsigned int max_revokes;
gfs2_log_lock(sdp);
while (sdp->sd_log_num_revoke > max_revokes)
max_revokes += (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header)) / sizeof(u64);
max_revokes = sdp->sd_ldptrs;
if (sdp->sd_log_num_revoke > sdp->sd_ldptrs)
max_revokes += roundup(sdp->sd_log_num_revoke - sdp->sd_ldptrs,
sdp->sd_inptrs);
max_revokes -= sdp->sd_log_num_revoke;
if (!sdp->sd_log_num_revoke) {
atomic_dec(&sdp->sd_log_blks_free);