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| author | Tim Shimmin <tes@sgi.com> | 2006-09-28 11:04:16 +1000 |
|---|---|---|
| committer | Tim Shimmin <tes@sgi.com> | 2006-09-28 11:04:16 +1000 |
| commit | 955e47ad28b5b255ddcd7eb9cb814a269dc6e991 (patch) | |
| tree | 46890060c312cacd02dedcd830812aa7287449f8 | |
| parent | 22d91f65d57a7f1a1c5fc81f47b47b0cc54ad6f7 (diff) | |
| download | lwn-955e47ad28b5b255ddcd7eb9cb814a269dc6e991.tar.gz lwn-955e47ad28b5b255ddcd7eb9cb814a269dc6e991.zip | |
[XFS] Fixes the leak in reservation space because we weren't ungranting
space for the unmount record - which becomes a problem in the freeze/thaw
scenario.
SGI-PV: 942533
SGI-Modid: xfs-linux-melb:xfs-kern:26815a
Signed-off-by: Tim Shimmin <tes@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_log.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 6 |
2 files changed, 12 insertions, 2 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index ac999789a44d..c48bf61f17bd 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -617,7 +617,8 @@ xfs_log_unmount_write(xfs_mount_t *mp) reg[0].i_len = sizeof(magic); XLOG_VEC_SET_TYPE(®[0], XLOG_REG_TYPE_UNMOUNT); - error = xfs_log_reserve(mp, 600, 1, &tic, XFS_LOG, 0, 0); + error = xfs_log_reserve(mp, 600, 1, &tic, + XFS_LOG, 0, XLOG_UNMOUNT_REC_TYPE); if (!error) { /* remove inited flag */ ((xlog_ticket_t *)tic)->t_flags = 0; @@ -655,8 +656,11 @@ xfs_log_unmount_write(xfs_mount_t *mp) } else { LOG_UNLOCK(log, s); } - if (tic) + if (tic) { + xlog_trace_loggrant(log, tic, "unmount rec"); + xlog_ungrant_log_space(log, tic); xlog_state_put_ticket(log, tic); + } } else { /* * We're already in forced_shutdown mode, couldn't diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 7bf5046d8d28..9bd3cdf11a87 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -502,6 +502,12 @@ extern int xlog_bread(xlog_t *, xfs_daddr_t, int, struct xfs_buf *); #define XLOG_TRACE_SLEEP_FLUSH 3 #define XLOG_TRACE_WAKE_FLUSH 4 +/* + * Unmount record type is used as a pseudo transaction type for the ticket. + * It's value must be outside the range of XFS_TRANS_* values. + */ +#define XLOG_UNMOUNT_REC_TYPE (-1U) + #endif /* __KERNEL__ */ #endif /* __XFS_LOG_PRIV_H__ */ |