diff options
Diffstat (limited to 'fs/gfs2')
-rw-r--r-- | fs/gfs2/aops.c | 2 | ||||
-rw-r--r-- | fs/gfs2/bmap.c | 8 | ||||
-rw-r--r-- | fs/gfs2/glock.c | 3 | ||||
-rw-r--r-- | fs/gfs2/glops.c | 69 | ||||
-rw-r--r-- | fs/gfs2/glops.h | 1 | ||||
-rw-r--r-- | fs/gfs2/inode.c | 3 | ||||
-rw-r--r-- | fs/gfs2/log.c | 2 | ||||
-rw-r--r-- | fs/gfs2/lops.c | 31 | ||||
-rw-r--r-- | fs/gfs2/lops.h | 2 | ||||
-rw-r--r-- | fs/gfs2/ops_fstype.c | 14 | ||||
-rw-r--r-- | fs/gfs2/recovery.c | 2 | ||||
-rw-r--r-- | fs/gfs2/rgrp.c | 15 | ||||
-rw-r--r-- | fs/gfs2/super.c | 1 |
13 files changed, 92 insertions, 61 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index 9cd2ecad07db..cc4f987687f3 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -77,7 +77,7 @@ static int gfs2_get_block_noalloc(struct inode *inode, sector_t lblock, if (error) return error; if (!buffer_mapped(bh_result)) - return -EIO; + return -ENODATA; return 0; } diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 8dff9cbd0a87..62d9081d1e26 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1301,12 +1301,8 @@ int gfs2_block_map(struct inode *inode, sector_t lblock, trace_gfs2_bmap(ip, bh_map, lblock, create, 1); ret = gfs2_iomap_get(inode, pos, length, flags, &iomap, &mp); - if (!ret && iomap.type == IOMAP_HOLE) { - if (create) - ret = gfs2_iomap_alloc(inode, &iomap, &mp); - else - ret = -ENODATA; - } + if (create && !ret && iomap.type == IOMAP_HOLE) + ret = gfs2_iomap_alloc(inode, &iomap, &mp); release_metapath(&mp); if (ret) goto out; diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 5441c17562c5..d98a2e5dab9f 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1078,7 +1078,8 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, out_free: kfree(gl->gl_lksb.sb_lvbptr); kmem_cache_free(cachep, gl); - atomic_dec(&sdp->sd_glock_disposal); + if (atomic_dec_and_test(&sdp->sd_glock_disposal)) + wake_up(&sdp->sd_glock_wait); out: return ret; diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index aa3f5236befb..67f2921ae8d4 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -165,6 +165,31 @@ void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync) } /** + * gfs2_rgrp_metasync - sync out the metadata of a resource group + * @gl: the glock protecting the resource group + * + */ + +static int gfs2_rgrp_metasync(struct gfs2_glock *gl) +{ + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + struct address_space *metamapping = &sdp->sd_aspace; + struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); + const unsigned bsize = sdp->sd_sb.sb_bsize; + loff_t start = (rgd->rd_addr * bsize) & PAGE_MASK; + loff_t end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1; + int error; + + filemap_fdatawrite_range(metamapping, start, end); + error = filemap_fdatawait_range(metamapping, start, end); + WARN_ON_ONCE(error && !gfs2_withdrawn(sdp)); + mapping_set_error(metamapping, error); + if (error) + gfs2_io_error(sdp); + return error; +} + +/** * rgrp_go_sync - sync out the metadata for this glock * @gl: the glock * @@ -176,11 +201,7 @@ void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync) static int rgrp_go_sync(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - struct address_space *mapping = &sdp->sd_aspace; struct gfs2_rgrpd *rgd = gfs2_glock2rgrp(gl); - const unsigned bsize = sdp->sd_sb.sb_bsize; - loff_t start = (rgd->rd_addr * bsize) & PAGE_MASK; - loff_t end = PAGE_ALIGN((rgd->rd_addr + rgd->rd_length) * bsize) - 1; int error; if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) @@ -189,10 +210,7 @@ static int rgrp_go_sync(struct gfs2_glock *gl) gfs2_log_flush(sdp, gl, GFS2_LOG_HEAD_FLUSH_NORMAL | GFS2_LFC_RGRP_GO_SYNC); - filemap_fdatawrite_range(mapping, start, end); - error = filemap_fdatawait_range(mapping, start, end); - WARN_ON_ONCE(error && !gfs2_withdrawn(sdp)); - mapping_set_error(mapping, error); + error = gfs2_rgrp_metasync(gl); if (!error) error = gfs2_ail_empty_gl(gl); gfs2_free_clones(rgd); @@ -266,7 +284,24 @@ static void gfs2_clear_glop_pending(struct gfs2_inode *ip) } /** - * inode_go_sync - Sync the dirty data and/or metadata for an inode glock + * gfs2_inode_metasync - sync out the metadata of an inode + * @gl: the glock protecting the inode + * + */ +int gfs2_inode_metasync(struct gfs2_glock *gl) +{ + struct address_space *metamapping = gfs2_glock2aspace(gl); + int error; + + filemap_fdatawrite(metamapping); + error = filemap_fdatawait(metamapping); + if (error) + gfs2_io_error(gl->gl_name.ln_sbd); + return error; +} + +/** + * inode_go_sync - Sync the dirty metadata of an inode * @gl: the glock protecting the inode * */ @@ -297,8 +332,7 @@ static int inode_go_sync(struct gfs2_glock *gl) error = filemap_fdatawait(mapping); mapping_set_error(mapping, error); } - ret = filemap_fdatawait(metamapping); - mapping_set_error(metamapping, ret); + ret = gfs2_inode_metasync(gl); if (!error) error = ret; gfs2_ail_empty_gl(gl); @@ -537,7 +571,18 @@ static int freeze_go_sync(struct gfs2_glock *gl) int error = 0; struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - if (gl->gl_req == LM_ST_EXCLUSIVE && !gfs2_withdrawn(sdp)) { + /* + * We need to check gl_state == LM_ST_SHARED here and not gl_req == + * LM_ST_EXCLUSIVE. That's because when any node does a freeze, + * all the nodes should have the freeze glock in SH mode and they all + * call do_xmote: One for EX and the others for UN. They ALL must + * freeze locally, and they ALL must queue freeze work. The freeze_work + * calls freeze_func, which tries to reacquire the freeze glock in SH, + * effectively waiting for the thaw on the node who holds it in EX. + * Once thawed, the work func acquires the freeze glock in + * SH and everybody goes back to thawed. + */ + if (gl->gl_state == LM_ST_SHARED && !gfs2_withdrawn(sdp)) { atomic_set(&sdp->sd_freeze_state, SFS_STARTING_FREEZE); error = freeze_super(sdp->sd_vfs); if (error) { diff --git a/fs/gfs2/glops.h b/fs/gfs2/glops.h index 2dd192e85618..695898afcaf1 100644 --- a/fs/gfs2/glops.h +++ b/fs/gfs2/glops.h @@ -22,6 +22,7 @@ extern const struct gfs2_glock_operations gfs2_quota_glops; extern const struct gfs2_glock_operations gfs2_journal_glops; extern const struct gfs2_glock_operations *gfs2_glops_list[]; +extern int gfs2_inode_metasync(struct gfs2_glock *gl); extern void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync); #endif /* __GLOPS_DOT_H__ */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index 6774865f5b5b..077ccb1b3ccc 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -180,7 +180,8 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); if (unlikely(error)) goto fail; - gfs2_cancel_delete_work(ip->i_iopen_gh.gh_gl); + if (blktype != GFS2_BLKST_UNLINKED) + gfs2_cancel_delete_work(ip->i_iopen_gh.gh_gl); glock_set_object(ip->i_iopen_gh.gh_gl, ip); gfs2_glock_put(io_gl); io_gl = NULL; diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 9133b3178677..2e9314091c81 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -132,6 +132,8 @@ __acquires(&sdp->sd_ail_lock) spin_unlock(&sdp->sd_ail_lock); ret = generic_writepages(mapping, wbc); spin_lock(&sdp->sd_ail_lock); + if (ret == -ENODATA) /* if a jdata write into a new hole */ + ret = 0; /* ignore it */ if (ret || wbc->nr_to_write <= 0) break; return -EBUSY; diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index ed69298dd824..3922b26264f5 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -22,6 +22,7 @@ #include "incore.h" #include "inode.h" #include "glock.h" +#include "glops.h" #include "log.h" #include "lops.h" #include "meta_io.h" @@ -817,41 +818,19 @@ static int buf_lo_scan_elements(struct gfs2_jdesc *jd, u32 start, return error; } -/** - * gfs2_meta_sync - Sync all buffers associated with a glock - * @gl: The glock - * - */ - -void gfs2_meta_sync(struct gfs2_glock *gl) -{ - struct address_space *mapping = gfs2_glock2aspace(gl); - struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - int error; - - if (mapping == NULL) - mapping = &sdp->sd_aspace; - - filemap_fdatawrite(mapping); - error = filemap_fdatawait(mapping); - - if (error) - gfs2_io_error(gl->gl_name.ln_sbd); -} - static void buf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) { struct gfs2_inode *ip = GFS2_I(jd->jd_inode); struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); if (error) { - gfs2_meta_sync(ip->i_gl); + gfs2_inode_metasync(ip->i_gl); return; } if (pass != 1) return; - gfs2_meta_sync(ip->i_gl); + gfs2_inode_metasync(ip->i_gl); fs_info(sdp, "jid=%u: Replayed %u of %u blocks\n", jd->jd_jid, jd->jd_replayed_blocks, jd->jd_found_blocks); @@ -1060,14 +1039,14 @@ static void databuf_lo_after_scan(struct gfs2_jdesc *jd, int error, int pass) struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); if (error) { - gfs2_meta_sync(ip->i_gl); + gfs2_inode_metasync(ip->i_gl); return; } if (pass != 1) return; /* data sync? */ - gfs2_meta_sync(ip->i_gl); + gfs2_inode_metasync(ip->i_gl); fs_info(sdp, "jid=%u: Replayed %u of %u data blocks\n", jd->jd_jid, jd->jd_replayed_blocks, jd->jd_found_blocks); diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index 4a3d8aecdf82..fbdbb08dcec6 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -27,8 +27,6 @@ extern void gfs2_log_submit_bio(struct bio **biop, int opf); extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh); extern int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head, bool keep_cache); -extern void gfs2_meta_sync(struct gfs2_glock *gl); - static inline unsigned int buf_limit(struct gfs2_sbd *sdp) { unsigned int limit; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 7a7e3c10a9a9..61fce59cb4d3 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -633,8 +633,10 @@ static int init_statfs(struct gfs2_sbd *sdp) if (IS_ERR(sdp->sd_statfs_inode)) { error = PTR_ERR(sdp->sd_statfs_inode); fs_err(sdp, "can't read in statfs inode: %d\n", error); - goto fail; + goto out; } + if (sdp->sd_args.ar_spectator) + goto out; pn = gfs2_lookup_simple(master, "per_node"); if (IS_ERR(pn)) { @@ -682,15 +684,17 @@ free_local: iput(pn); put_statfs: iput(sdp->sd_statfs_inode); -fail: +out: return error; } /* Uninitialize and free up memory used by the list of statfs inodes */ static void uninit_statfs(struct gfs2_sbd *sdp) { - gfs2_glock_dq_uninit(&sdp->sd_sc_gh); - free_local_statfs_inodes(sdp); + if (!sdp->sd_args.ar_spectator) { + gfs2_glock_dq_uninit(&sdp->sd_sc_gh); + free_local_statfs_inodes(sdp); + } iput(sdp->sd_statfs_inode); } @@ -704,7 +708,7 @@ static int init_journal(struct gfs2_sbd *sdp, int undo) if (undo) { jindex = 0; - goto fail_jinode_gh; + goto fail_statfs; } sdp->sd_jindex = gfs2_lookup_simple(master, "jindex"); diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index b5cbe21efdfb..c26c68ebd29d 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -349,7 +349,7 @@ static int update_statfs_inode(struct gfs2_jdesc *jd, mark_buffer_dirty(bh); brelse(bh); - gfs2_meta_sync(ip->i_gl); + gfs2_inode_metasync(ip->i_gl); out: return error; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index ee491bb9c1cc..f7addc6197ed 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -719,9 +719,9 @@ void gfs2_clear_rgrpd(struct gfs2_sbd *sdp) } gfs2_free_clones(rgd); + return_all_reservations(rgd); kfree(rgd->rd_bits); rgd->rd_bits = NULL; - return_all_reservations(rgd); kmem_cache_free(gfs2_rgrpd_cachep, rgd); } } @@ -1370,6 +1370,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp) if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (!test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) + return -EROFS; + if (!blk_queue_discard(q)) return -EOPNOTSUPP; @@ -2526,13 +2529,13 @@ int gfs2_check_blk_type(struct gfs2_sbd *sdp, u64 no_addr, unsigned int type) rbm.rgd = rgd; error = gfs2_rbm_from_block(&rbm, no_addr); - if (WARN_ON_ONCE(error)) - goto fail; - - if (gfs2_testbit(&rbm, false) != type) - error = -ESTALE; + if (!WARN_ON_ONCE(error)) { + if (gfs2_testbit(&rbm, false) != type) + error = -ESTALE; + } gfs2_glock_dq_uninit(&rgd_gh); + fail: return error; } diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index b285192bd6b3..b3d951ab8068 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -738,6 +738,7 @@ restart: gfs2_jindex_free(sdp); /* Take apart glock structures and buffer lists */ gfs2_gl_hash_clear(sdp); + truncate_inode_pages_final(&sdp->sd_aspace); gfs2_delete_debugfs_file(sdp); /* Unmount the locking protocol */ gfs2_lm_unmount(sdp); |