diff options
| -rw-r--r-- | fs/ceph/caps.c | 4 | ||||
| -rw-r--r-- | fs/ceph/inode.c | 35 |
2 files changed, 26 insertions, 13 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 54041d9c1e25..028b5140a85d 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3950,8 +3950,8 @@ static bool handle_cap_trunc(struct inode *inode, if (IS_ENCRYPTED(inode) && size) size = extra_info->fscrypt_file_size; - dout("handle_cap_trunc inode %p mds%d seq %d to %lld seq %d\n", - inode, mds, seq, truncate_size, truncate_seq); + dout("%s inode %p mds%d seq %d to %lld truncate seq %d\n", + __func__, inode, mds, seq, truncate_size, truncate_seq); queue_trunc = ceph_fill_file_size(inode, issued, truncate_seq, truncate_size, size); return queue_trunc; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 83c420646f90..ea6f966dacd5 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -764,7 +764,7 @@ int ceph_fill_file_size(struct inode *inode, int issued, ceph_fscache_update(inode); ci->i_reported_size = size; if (truncate_seq != ci->i_truncate_seq) { - dout("truncate_seq %u -> %u\n", + dout("%s truncate_seq %u -> %u\n", __func__, ci->i_truncate_seq, truncate_seq); ci->i_truncate_seq = truncate_seq; @@ -788,15 +788,26 @@ int ceph_fill_file_size(struct inode *inode, int issued, } } } - if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) >= 0 && - ci->i_truncate_size != truncate_size) { - dout("truncate_size %lld -> %llu\n", ci->i_truncate_size, - truncate_size); + + /* + * It's possible that the new sizes of the two consecutive + * size truncations will be in the same fscrypt last block, + * and we need to truncate the corresponding page caches + * anyway. + */ + if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) >= 0) { + dout("%s truncate_size %lld -> %llu, encrypted %d\n", __func__, + ci->i_truncate_size, truncate_size, !!IS_ENCRYPTED(inode)); + ci->i_truncate_size = truncate_size; - if (IS_ENCRYPTED(inode)) + + if (IS_ENCRYPTED(inode)) { + dout("%s truncate_pagecache_size %lld -> %llu\n", + __func__, ci->i_truncate_pagecache_size, size); ci->i_truncate_pagecache_size = size; - else + } else { ci->i_truncate_pagecache_size = truncate_size; + } } return queue_trunc; } @@ -2155,7 +2166,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode) retry: spin_lock(&ci->i_ceph_lock); if (ci->i_truncate_pending == 0) { - dout("__do_pending_vmtruncate %p none pending\n", inode); + dout("%s %p none pending\n", __func__, inode); spin_unlock(&ci->i_ceph_lock); mutex_unlock(&ci->i_truncate_mutex); return; @@ -2167,8 +2178,7 @@ retry: */ if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) { spin_unlock(&ci->i_ceph_lock); - dout("__do_pending_vmtruncate %p flushing snaps first\n", - inode); + dout("%s %p flushing snaps first\n", __func__, inode); filemap_write_and_wait_range(&inode->i_data, 0, inode->i_sb->s_maxbytes); goto retry; @@ -2179,7 +2189,7 @@ retry: to = ci->i_truncate_pagecache_size; wrbuffer_refs = ci->i_wrbuffer_ref; - dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode, + dout("%s %p (%d) to %lld\n", __func__, inode, ci->i_truncate_pending, to); spin_unlock(&ci->i_ceph_lock); @@ -2371,6 +2381,9 @@ static int fill_fscrypt_truncate(struct inode *inode, header.data_len = cpu_to_le32(8 + 8 + 4 + CEPH_FSCRYPT_BLOCK_SIZE); header.file_offset = cpu_to_le64(orig_pos); + dout("%s encrypt block boff/bsize %d/%lu\n", __func__, + boff, CEPH_FSCRYPT_BLOCK_SIZE); + /* truncate and zero out the extra contents for the last block */ memset(iov.iov_base + boff, 0, PAGE_SIZE - boff); |