diff options
Diffstat (limited to 'fs/gfs2/rgrp.c')
| -rw-r--r-- | fs/gfs2/rgrp.c | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 7293ea27020..9b780df3fd5 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -78,10 +78,11 @@ static u32 rgblk_search(struct gfs2_rgrpd *rgd, u32 goal, static inline void gfs2_setbit(struct gfs2_rgrpd *rgd, unsigned char *buf1, unsigned char *buf2, unsigned int offset, - unsigned int buflen, u32 block, + struct gfs2_bitmap *bi, u32 block, unsigned char new_state) { unsigned char *byte1, *byte2, *end, cur_state; + unsigned int buflen = bi->bi_len; const unsigned int bit = (block % GFS2_NBBY) * GFS2_BIT_SIZE; byte1 = buf1 + offset + (block / GFS2_NBBY); @@ -92,6 +93,16 @@ static inline void gfs2_setbit(struct gfs2_rgrpd *rgd, unsigned char *buf1, cur_state = (*byte1 >> bit) & GFS2_BIT_MASK; if (unlikely(!valid_change[new_state * 4 + cur_state])) { + printk(KERN_WARNING "GFS2: buf_blk = 0x%llx old_state=%d, " + "new_state=%d\n", + (unsigned long long)block, cur_state, new_state); + printk(KERN_WARNING "GFS2: rgrp=0x%llx bi_start=0x%lx\n", + (unsigned long long)rgd->rd_addr, + (unsigned long)bi->bi_start); + printk(KERN_WARNING "GFS2: bi_offset=0x%lx bi_len=0x%lx\n", + (unsigned long)bi->bi_offset, + (unsigned long)bi->bi_len); + dump_stack(); gfs2_consist_rgrpd(rgd); return; } @@ -381,6 +392,7 @@ static void clear_rgrpdi(struct gfs2_sbd *sdp) if (gl) { gl->gl_object = NULL; + gfs2_glock_add_to_lru(gl); gfs2_glock_put(gl); } @@ -945,7 +957,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip /* rgblk_search can return a block < goal, so we need to keep it marching forward. */ no_addr = block + rgd->rd_data0; - goal++; + goal = max(block + 1, goal + 1); if (*last_unlinked != NO_BLOCK && no_addr <= *last_unlinked) continue; if (no_addr == skip) @@ -971,7 +983,7 @@ static void try_rgrp_unlink(struct gfs2_rgrpd *rgd, u64 *last_unlinked, u64 skip found++; /* Limit reclaim to sensible number of tasks */ - if (found > 2*NR_CPUS) + if (found > NR_CPUS) return; } @@ -1365,7 +1377,7 @@ skip: gfs2_trans_add_bh(rgd->rd_gl, bi->bi_bh, 1); gfs2_setbit(rgd, bi->bi_bh->b_data, bi->bi_clone, bi->bi_offset, - bi->bi_len, blk, new_state); + bi, blk, new_state); goal = blk; while (*n < elen) { goal++; @@ -1375,7 +1387,7 @@ skip: GFS2_BLKST_FREE) break; gfs2_setbit(rgd, bi->bi_bh->b_data, bi->bi_clone, bi->bi_offset, - bi->bi_len, goal, new_state); + bi, goal, new_state); (*n)++; } out: @@ -1432,7 +1444,7 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart, } gfs2_trans_add_bh(rgd->rd_gl, bi->bi_bh, 1); gfs2_setbit(rgd, bi->bi_bh->b_data, NULL, bi->bi_offset, - bi->bi_len, buf_blk, new_state); + bi, buf_blk, new_state); } return rgd; @@ -1602,7 +1614,7 @@ rgrp_error: * */ -void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) +void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrpd *rgd; @@ -1618,6 +1630,24 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) gfs2_trans_add_rg(rgd); + /* Directories keep their data in the metadata address space */ + if (ip->i_depth) + gfs2_meta_wipe(ip, bstart, blen); +} + +/** + * gfs2_free_data - free a contiguous run of data block(s) + * @ip: the inode these blocks are being freed from + * @bstart: first block of a run of contiguous blocks + * @blen: the length of the block run + * + */ + +void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) +{ + struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + + __gfs2_free_data(ip, bstart, blen); gfs2_statfs_change(sdp, 0, +blen, 0); gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); } @@ -1630,7 +1660,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) * */ -void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) +void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrpd *rgd; @@ -1645,10 +1675,24 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data); gfs2_trans_add_rg(rgd); + gfs2_meta_wipe(ip, bstart, blen); +} + +/** + * gfs2_free_meta - free a contiguous run of data block(s) + * @ip: the inode these blocks are being freed from + * @bstart: first block of a run of contiguous blocks + * @blen: the length of the block run + * + */ + +void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) +{ + struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); + __gfs2_free_meta(ip, bstart, blen); gfs2_statfs_change(sdp, 0, +blen, 0); gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); - gfs2_meta_wipe(ip, bstart, blen); } void gfs2_unlink_di(struct inode *inode) |