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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 08:43:00 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-10-08 08:43:00 -0700 |
| commit | e3c55d406bd8df1a878546002c93db90c42be10c (patch) | |
| tree | efb0ba2707c95fd7166cf1b76887c43c977e37dd /fs/jbd2/recovery.c | |
| parent | 4d6e482675f13e33599fc3d18fc723959be0a9b6 (diff) | |
| parent | d0e639c9e06d44e713170031fe05fb60ebe680af (diff) | |
Merge tag 'v3.12-rc4' into next
Merge with mainline to bring in changes to input subsystem that were
committed through other trees.
Diffstat (limited to 'fs/jbd2/recovery.c')
| -rw-r--r-- | fs/jbd2/recovery.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index d4851464b57e..3929c50428b1 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -178,7 +178,8 @@ static int jbd2_descr_block_csum_verify(journal_t *j, void *buf) { struct jbd2_journal_block_tail *tail; - __u32 provided, calculated; + __be32 provided; + __u32 calculated; if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) return 1; @@ -190,8 +191,7 @@ static int jbd2_descr_block_csum_verify(journal_t *j, calculated = jbd2_chksum(j, j->j_csum_seed, buf, j->j_blocksize); tail->t_checksum = provided; - provided = be32_to_cpu(provided); - return provided == calculated; + return provided == cpu_to_be32(calculated); } /* @@ -381,7 +381,8 @@ static int calc_chksums(journal_t *journal, struct buffer_head *bh, static int jbd2_commit_block_csum_verify(journal_t *j, void *buf) { struct commit_header *h; - __u32 provided, calculated; + __be32 provided; + __u32 calculated; if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) return 1; @@ -392,21 +393,20 @@ static int jbd2_commit_block_csum_verify(journal_t *j, void *buf) calculated = jbd2_chksum(j, j->j_csum_seed, buf, j->j_blocksize); h->h_chksum[0] = provided; - provided = be32_to_cpu(provided); - return provided == calculated; + return provided == cpu_to_be32(calculated); } static int jbd2_block_tag_csum_verify(journal_t *j, journal_block_tag_t *tag, void *buf, __u32 sequence) { __u32 csum32; + __be32 seq; if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) return 1; - sequence = cpu_to_be32(sequence); - csum32 = jbd2_chksum(j, j->j_csum_seed, (__u8 *)&sequence, - sizeof(sequence)); + seq = cpu_to_be32(sequence); + csum32 = jbd2_chksum(j, j->j_csum_seed, (__u8 *)&seq, sizeof(seq)); csum32 = jbd2_chksum(j, csum32, buf, j->j_blocksize); return tag->t_checksum == cpu_to_be16(csum32); @@ -808,7 +808,8 @@ static int jbd2_revoke_block_csum_verify(journal_t *j, void *buf) { struct jbd2_journal_revoke_tail *tail; - __u32 provided, calculated; + __be32 provided; + __u32 calculated; if (!JBD2_HAS_INCOMPAT_FEATURE(j, JBD2_FEATURE_INCOMPAT_CSUM_V2)) return 1; @@ -820,8 +821,7 @@ static int jbd2_revoke_block_csum_verify(journal_t *j, calculated = jbd2_chksum(j, j->j_csum_seed, buf, j->j_blocksize); tail->r_checksum = provided; - provided = be32_to_cpu(provided); - return provided == calculated; + return provided == cpu_to_be32(calculated); } /* Scan a revoke record, marking all blocks mentioned as revoked. */ |