diff options
Diffstat (limited to 'fs/afs/inode.c')
| -rw-r--r-- | fs/afs/inode.c | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/fs/afs/inode.c b/fs/afs/inode.c index b42d9d09669c..7b1c18c32f48 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -56,6 +56,16 @@ static noinline void dump_vnode(struct afs_vnode *vnode, struct afs_vnode *paren } /* + * Set the file size and block count. Estimate the number of 512 bytes blocks + * used, rounded up to nearest 1K for consistency with other AFS clients. + */ +static void afs_set_i_size(struct afs_vnode *vnode, u64 size) +{ + i_size_write(&vnode->vfs_inode, size); + vnode->vfs_inode.i_blocks = ((size + 1023) >> 10) << 1; +} + +/* * Initialise an inode from the vnode status. */ static int afs_inode_init_from_status(struct afs_vnode *vnode, struct key *key, @@ -124,12 +134,7 @@ static int afs_inode_init_from_status(struct afs_vnode *vnode, struct key *key, return afs_protocol_error(NULL, -EBADMSG, afs_eproto_file_type); } - /* - * Estimate 512 bytes blocks used, rounded up to nearest 1K - * for consistency with other AFS clients. - */ - inode->i_blocks = ((i_size_read(inode) + 1023) >> 10) << 1; - i_size_write(&vnode->vfs_inode, status->size); + afs_set_i_size(vnode, status->size); vnode->invalid_before = status->data_version; inode_set_iversion_raw(&vnode->vfs_inode, status->data_version); @@ -207,11 +212,13 @@ static void afs_apply_status(struct afs_fs_cursor *fc, if (expected_version && *expected_version != status->data_version) { - kdebug("vnode modified %llx on {%llx:%llu} [exp %llx] %s", - (unsigned long long) status->data_version, - vnode->fid.vid, vnode->fid.vnode, - (unsigned long long) *expected_version, - fc->type ? fc->type->name : "???"); + if (test_bit(AFS_VNODE_CB_PROMISED, &vnode->flags)) + pr_warn("kAFS: vnode modified {%llx:%llu} %llx->%llx %s\n", + vnode->fid.vid, vnode->fid.vnode, + (unsigned long long)*expected_version, + (unsigned long long)status->data_version, + fc->type ? fc->type->name : "???"); + vnode->invalid_before = status->data_version; if (vnode->status.type == AFS_FTYPE_DIR) { if (test_and_clear_bit(AFS_VNODE_DIR_VALID, &vnode->flags)) @@ -230,7 +237,7 @@ static void afs_apply_status(struct afs_fs_cursor *fc, if (data_changed) { inode_set_iversion_raw(&vnode->vfs_inode, status->data_version); - i_size_write(&vnode->vfs_inode, status->size); + afs_set_i_size(vnode, status->size); } } @@ -276,7 +283,7 @@ void afs_vnode_commit_status(struct afs_fs_cursor *fc, if (scb->status.abort_code == VNOVNODE) { set_bit(AFS_VNODE_DELETED, &vnode->flags); clear_nlink(&vnode->vfs_inode); - __afs_break_callback(vnode); + __afs_break_callback(vnode, afs_cb_break_for_deleted); } } else { if (scb->have_status) @@ -587,8 +594,9 @@ bool afs_check_validity(struct afs_vnode *vnode) struct afs_cb_interest *cbi; struct afs_server *server; struct afs_volume *volume = vnode->volume; + enum afs_cb_break_reason need_clear = afs_cb_break_no_break; time64_t now = ktime_get_real_seconds(); - bool valid, need_clear = false; + bool valid; unsigned int cb_break, cb_s_break, cb_v_break; int seq = 0; @@ -606,13 +614,13 @@ bool afs_check_validity(struct afs_vnode *vnode) vnode->cb_v_break != cb_v_break) { vnode->cb_s_break = cb_s_break; vnode->cb_v_break = cb_v_break; - need_clear = true; + need_clear = afs_cb_break_for_vsbreak; valid = false; } else if (test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) { - need_clear = true; + need_clear = afs_cb_break_for_zap; valid = false; } else if (vnode->cb_expires_at - 10 <= now) { - need_clear = true; + need_clear = afs_cb_break_for_lapsed; valid = false; } else { valid = true; @@ -628,10 +636,12 @@ bool afs_check_validity(struct afs_vnode *vnode) done_seqretry(&vnode->cb_lock, seq); - if (need_clear) { + if (need_clear != afs_cb_break_no_break) { write_seqlock(&vnode->cb_lock); if (cb_break == vnode->cb_break) - __afs_break_callback(vnode); + __afs_break_callback(vnode, need_clear); + else + trace_afs_cb_miss(&vnode->fid, need_clear); write_sequnlock(&vnode->cb_lock); valid = false; } |