X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;ds=sidebyside;f=lustre%2Fllite%2Fllite_lib.c;fp=lustre%2Fllite%2Fllite_lib.c;h=3b9809e7f0fba801777b2f1465b241692a8c5500;hb=a9a1e19b0f55e2f54a6b1384af41707d951033da;hp=80b32939d02abcbba41eaf2c5452a6b0ecb18b46;hpb=bd5719972b1f44f9db8a6f26a55225145e05288c;p=fs%2Flustre-release.git diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c index 80b3293..3b9809e 100644 --- a/lustre/llite/llite_lib.c +++ b/lustre/llite/llite_lib.c @@ -1427,7 +1427,7 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md) lsm_md_dump(D_ERROR, lsm); GOTO(unlock, rc = -EINVAL); } - + up_read(&lli->lli_lsm_sem); down_write(&lli->lli_lsm_sem); /* clear existing lsm */ @@ -1440,7 +1440,7 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md) up_write(&lli->lli_lsm_sem); if (rc) RETURN(rc); - + /* set md->lmv to NULL, so the following free lustre_md will not free * this lsm. */ @@ -1453,7 +1453,7 @@ static int ll_update_lsm_md(struct inode *inode, struct lustre_md *md) OBD_ALLOC_PTR(attr); if (!attr) GOTO(unlock, rc = -ENOMEM); - + /* validate the lsm */ rc = md_merge_attr(ll_i2mdexp(inode), lli->lli_lsm_md, attr, ll_md_blocking_ast); @@ -2053,6 +2053,34 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md) return 0; } +void ll_truncate_inode_pages_final(struct inode *inode) +{ + struct address_space *mapping = &inode->i_data; + unsigned long nrpages; + unsigned long flags; + + truncate_inode_pages_final(mapping); + + /* Workaround for LU-118: Note nrpages may not be totally updated when + * truncate_inode_pages() returns, as there can be a page in the process + * of deletion (inside __delete_from_page_cache()) in the specified + * range. Thus mapping->nrpages can be non-zero when this function + * returns even after truncation of the whole mapping. Only do this if + * npages isn't already zero. + */ + nrpages = mapping->nrpages; + if (nrpages) { + xa_lock_irqsave(&mapping->i_pages, flags); + nrpages = mapping->nrpages; + xa_unlock_irqrestore(&mapping->i_pages, flags); + } /* Workaround end */ + + LASSERTF(nrpages == 0, "%s: inode="DFID"(%p) nrpages=%lu, " + "see https://jira.whamcloud.com/browse/LU-118\n", + ll_get_fsname(inode->i_sb, NULL, 0), + PFID(ll_inode2fid(inode)), inode, nrpages); +} + int ll_read_inode2(struct inode *inode, void *opaque) { struct lustre_md *md = opaque; @@ -2110,8 +2138,6 @@ int ll_read_inode2(struct inode *inode, void *opaque) void ll_delete_inode(struct inode *inode) { struct ll_inode_info *lli = ll_i2info(inode); - struct address_space *mapping = &inode->i_data; - unsigned long nrpages; ENTRY; if (S_ISREG(inode->i_mode) && lli->lli_clob != NULL) { @@ -2125,26 +2151,8 @@ void ll_delete_inode(struct inode *inode) cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, inode->i_nlink ? CL_FSYNC_LOCAL : CL_FSYNC_DISCARD, 1); } - truncate_inode_pages_final(mapping); - /* Workaround for LU-118: Note nrpages may not be totally updated when - * truncate_inode_pages() returns, as there can be a page in the process - * of deletion (inside __delete_from_page_cache()) in the specified - * range. Thus mapping->nrpages can be non-zero when this function - * returns even after truncation of the whole mapping. Only do this if - * npages isn't already zero. - */ - nrpages = mapping->nrpages; - if (nrpages) { - xa_lock_irq(&mapping->i_pages); - nrpages = mapping->nrpages; - xa_unlock_irq(&mapping->i_pages); - } /* Workaround end */ - - LASSERTF(nrpages == 0, "%s: inode="DFID"(%p) nrpages=%lu, " - "see https://jira.whamcloud.com/browse/LU-118\n", - ll_get_fsname(inode->i_sb, NULL, 0), - PFID(ll_inode2fid(inode)), inode, nrpages); + ll_truncate_inode_pages_final(inode); #ifdef HAVE_SBOPS_EVICT_INODE ll_clear_inode(inode);