diff options
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 9 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_sb.c | 5 | ||||
-rw-r--r-- | fs/xfs/scrub/rtbitmap.c | 9 | ||||
-rw-r--r-- | fs/xfs/xfs_buf.c | 6 | ||||
-rw-r--r-- | fs/xfs/xfs_buf.h | 42 | ||||
-rw-r--r-- | fs/xfs/xfs_file.c | 12 | ||||
-rw-r--r-- | fs/xfs/xfs_fsmap.c | 6 | ||||
-rw-r--r-- | fs/xfs/xfs_fsops.c | 5 | ||||
-rw-r--r-- | fs/xfs/xfs_icache.c | 9 | ||||
-rw-r--r-- | fs/xfs/xfs_inode.c | 24 | ||||
-rw-r--r-- | fs/xfs/xfs_message.c | 56 | ||||
-rw-r--r-- | fs/xfs/xfs_message.h | 56 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.c | 91 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.h | 19 | ||||
-rw-r--r-- | fs/xfs/xfs_rtalloc.c | 38 | ||||
-rw-r--r-- | fs/xfs/xfs_rtalloc.h | 9 | ||||
-rw-r--r-- | fs/xfs/xfs_super.c | 14 | ||||
-rw-r--r-- | fs/xfs/xfs_trans.c | 43 | ||||
-rw-r--r-- | fs/xfs/xfs_trans.h | 2 |
19 files changed, 286 insertions, 169 deletions
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 5740ba664867..fa180ab66b73 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1008,6 +1008,7 @@ xfs_rtfree_extent( /* Find all the free records within a given range. */ int xfs_rtalloc_query_range( + struct xfs_mount *mp, struct xfs_trans *tp, const struct xfs_rtalloc_rec *low_rec, const struct xfs_rtalloc_rec *high_rec, @@ -1015,7 +1016,6 @@ xfs_rtalloc_query_range( void *priv) { struct xfs_rtalloc_rec rec; - struct xfs_mount *mp = tp->t_mountp; xfs_rtblock_t rtstart; xfs_rtblock_t rtend; xfs_rtblock_t high_key; @@ -1048,7 +1048,7 @@ xfs_rtalloc_query_range( rec.ar_startext = rtstart; rec.ar_extcount = rtend - rtstart + 1; - error = fn(tp, &rec, priv); + error = fn(mp, tp, &rec, priv); if (error) break; } @@ -1062,6 +1062,7 @@ xfs_rtalloc_query_range( /* Find all the free records. */ int xfs_rtalloc_query_all( + struct xfs_mount *mp, struct xfs_trans *tp, xfs_rtalloc_query_range_fn fn, void *priv) @@ -1069,10 +1070,10 @@ xfs_rtalloc_query_all( struct xfs_rtalloc_rec keys[2]; keys[0].ar_startext = 0; - keys[1].ar_startext = tp->t_mountp->m_sb.sb_rextents - 1; + keys[1].ar_startext = mp->m_sb.sb_rextents - 1; keys[0].ar_extcount = keys[1].ar_extcount = 0; - return xfs_rtalloc_query_range(tp, &keys[0], &keys[1], fn, priv); + return xfs_rtalloc_query_range(mp, tp, &keys[0], &keys[1], fn, priv); } /* Is the given extent all free? */ diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index f4e84aa1d50a..8dd7186ef9df 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -911,6 +911,11 @@ xfs_log_sb( * reservations that have been taken out percpu counters. If we have an * unclean shutdown, this will be corrected by log recovery rebuilding * the counters from the AGF block counts. + * + * Do not update sb_frextents here because it is not part of the lazy + * sb counters, despite having a percpu counter. It is always kept + * consistent with the ondisk rtbitmap by xfs_trans_apply_sb_deltas() + * and hence we don't need have to update it here. */ if (xfs_has_lazysbcount(mp)) { mp->m_sb.sb_icount = percpu_counter_sum(&mp->m_icount); diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c index 8fa012057405..0a3bde64c675 100644 --- a/fs/xfs/scrub/rtbitmap.c +++ b/fs/xfs/scrub/rtbitmap.c @@ -40,6 +40,7 @@ xchk_setup_rt( /* Scrub a free extent record from the realtime bitmap. */ STATIC int xchk_rtbitmap_rec( + struct xfs_mount *mp, struct xfs_trans *tp, const struct xfs_rtalloc_rec *rec, void *priv) @@ -48,10 +49,10 @@ xchk_rtbitmap_rec( xfs_rtblock_t startblock; xfs_rtblock_t blockcount; - startblock = rec->ar_startext * tp->t_mountp->m_sb.sb_rextsize; - blockcount = rec->ar_extcount * tp->t_mountp->m_sb.sb_rextsize; + startblock = rec->ar_startext * mp->m_sb.sb_rextsize; + blockcount = rec->ar_extcount * mp->m_sb.sb_rextsize; - if (!xfs_verify_rtext(sc->mp, startblock, blockcount)) + if (!xfs_verify_rtext(mp, startblock, blockcount)) xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, 0); return 0; } @@ -114,7 +115,7 @@ xchk_rtbitmap( if (error || (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) return error; - error = xfs_rtalloc_query_all(sc->tp, xchk_rtbitmap_rec, sc); + error = xfs_rtalloc_query_all(sc->mp, sc->tp, xchk_rtbitmap_rec, sc); if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, 0, &error)) goto out; diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index e1afb9e503e1..bf4e60871068 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -406,7 +406,7 @@ xfs_buf_alloc_pages( STATIC int _xfs_buf_map_pages( struct xfs_buf *bp, - uint flags) + xfs_buf_flags_t flags) { ASSERT(bp->b_flags & _XBF_PAGES); if (bp->b_page_count == 1) { @@ -868,7 +868,7 @@ xfs_buf_read_uncached( struct xfs_buftarg *target, xfs_daddr_t daddr, size_t numblks, - int flags, + xfs_buf_flags_t flags, struct xfs_buf **bpp, const struct xfs_buf_ops *ops) { @@ -903,7 +903,7 @@ int xfs_buf_get_uncached( struct xfs_buftarg *target, size_t numblks, - int flags, + xfs_buf_flags_t flags, struct xfs_buf **bpp) { int error; diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index edcb6254fa6a..1ee3056ff9cf 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -22,28 +22,28 @@ struct xfs_buf; #define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL)) -#define XBF_READ (1 << 0) /* buffer intended for reading from device */ -#define XBF_WRITE (1 << 1) /* buffer intended for writing to device */ -#define XBF_READ_AHEAD (1 << 2) /* asynchronous read-ahead */ -#define XBF_NO_IOACCT (1 << 3) /* bypass I/O accounting (non-LRU bufs) */ -#define XBF_ASYNC (1 << 4) /* initiator will not wait for completion */ -#define XBF_DONE (1 << 5) /* all pages in the buffer uptodate */ -#define XBF_STALE (1 << 6) /* buffer has been staled, do not find it */ -#define XBF_WRITE_FAIL (1 << 7) /* async writes have failed on this buffer */ +#define XBF_READ (1u << 0) /* buffer intended for reading from device */ +#define XBF_WRITE (1u << 1) /* buffer intended for writing to device */ +#define XBF_READ_AHEAD (1u << 2) /* asynchronous read-ahead */ +#define XBF_NO_IOACCT (1u << 3) /* bypass I/O accounting (non-LRU bufs) */ +#define XBF_ASYNC (1u << 4) /* initiator will not wait for completion */ +#define XBF_DONE (1u << 5) /* all pages in the buffer uptodate */ +#define XBF_STALE (1u << 6) /* buffer has been staled, do not find it */ +#define XBF_WRITE_FAIL (1u << 7) /* async writes have failed on this buffer */ /* buffer type flags for write callbacks */ -#define _XBF_INODES (1 << 16)/* inode buffer */ -#define _XBF_DQUOTS (1 << 17)/* dquot buffer */ -#define _XBF_LOGRECOVERY (1 << 18)/* log recovery buffer */ +#define _XBF_INODES (1u << 16)/* inode buffer */ +#define _XBF_DQUOTS (1u << 17)/* dquot buffer */ +#define _XBF_LOGRECOVERY (1u << 18)/* log recovery buffer */ /* flags used only internally */ -#define _XBF_PAGES (1 << 20)/* backed by refcounted pages */ -#define _XBF_KMEM (1 << 21)/* backed by heap memory */ -#define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */ +#define _XBF_PAGES (1u << 20)/* backed by refcounted pages */ +#define _XBF_KMEM (1u << 21)/* backed by heap memory */ +#define _XBF_DELWRI_Q (1u << 22)/* buffer on a delwri queue */ /* flags used only as arguments to access routines */ -#define XBF_TRYLOCK (1 << 30)/* lock requested, but do not wait */ -#define XBF_UNMAPPED (1 << 31)/* do not map the buffer */ +#define XBF_TRYLOCK (1u << 30)/* lock requested, but do not wait */ +#define XBF_UNMAPPED (1u << 31)/* do not map the buffer */ typedef unsigned int xfs_buf_flags_t; @@ -58,7 +58,7 @@ typedef unsigned int xfs_buf_flags_t; { XBF_WRITE_FAIL, "WRITE_FAIL" }, \ { _XBF_INODES, "INODES" }, \ { _XBF_DQUOTS, "DQUOTS" }, \ - { _XBF_LOGRECOVERY, "LOG_RECOVERY" }, \ + { _XBF_LOGRECOVERY, "LOG_RECOVERY" }, \ { _XBF_PAGES, "PAGES" }, \ { _XBF_KMEM, "KMEM" }, \ { _XBF_DELWRI_Q, "DELWRI_Q" }, \ @@ -247,11 +247,11 @@ xfs_buf_readahead( return xfs_buf_readahead_map(target, &map, 1, ops); } -int xfs_buf_get_uncached(struct xfs_buftarg *target, size_t numblks, int flags, - struct xfs_buf **bpp); +int xfs_buf_get_uncached(struct xfs_buftarg *target, size_t numblks, + xfs_buf_flags_t flags, struct xfs_buf **bpp); int xfs_buf_read_uncached(struct xfs_buftarg *target, xfs_daddr_t daddr, - size_t numblks, int flags, struct xfs_buf **bpp, - const struct xfs_buf_ops *ops); + size_t numblks, xfs_buf_flags_t flags, struct xfs_buf **bpp, + const struct xfs_buf_ops *ops); int _xfs_buf_read(struct xfs_buf *bp, xfs_buf_flags_t flags); void xfs_buf_hold(struct xfs_buf *bp); diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index f3e878408747..af954a5b71f8 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -694,9 +694,7 @@ xfs_file_buffered_write( struct kiocb *iocb, struct iov_iter *from) { - struct file *file = iocb->ki_filp; - struct address_space *mapping = file->f_mapping; - struct inode *inode = mapping->host; + struct inode *inode = iocb->ki_filp->f_mapping->host; struct xfs_inode *ip = XFS_I(inode); ssize_t ret; bool cleared_space = false; @@ -767,9 +765,7 @@ xfs_file_write_iter( struct kiocb *iocb, struct iov_iter *from) { - struct file *file = iocb->ki_filp; - struct address_space *mapping = file->f_mapping; - struct inode *inode = mapping->host; + struct inode *inode = iocb->ki_filp->f_mapping->host; struct xfs_inode *ip = XFS_I(inode); ssize_t ret; size_t ocount = iov_iter_count(from); @@ -1167,12 +1163,10 @@ xfs_file_open( struct inode *inode, struct file *file) { - if (!(file->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS) - return -EFBIG; if (xfs_is_shutdown(XFS_M(inode->i_sb))) return -EIO; file->f_mode |= FMODE_NOWAIT | FMODE_BUF_RASYNC; - return 0; + return generic_file_open(inode, file); } STATIC int diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c index 10e1cb71439e..bb23199f65c3 100644 --- a/fs/xfs/xfs_fsmap.c +++ b/fs/xfs/xfs_fsmap.c @@ -450,11 +450,11 @@ xfs_getfsmap_logdev( /* Transform a rtbitmap "record" into a fsmap */ STATIC int xfs_getfsmap_rtdev_rtbitmap_helper( + struct xfs_mount *mp, struct xfs_trans *tp, const struct xfs_rtalloc_rec *rec, void *priv) { - struct xfs_mount *mp = tp->t_mountp; struct xfs_getfsmap_info *info = priv; struct xfs_rmap_irec irec; xfs_daddr_t rec_daddr; @@ -535,7 +535,7 @@ xfs_getfsmap_rtdev_rtbitmap_query( do_div(alow.ar_startext, mp->m_sb.sb_rextsize); if (do_div(ahigh.ar_startext, mp->m_sb.sb_rextsize)) ahigh.ar_startext++; - error = xfs_rtalloc_query_range(tp, &alow, &ahigh, + error = xfs_rtalloc_query_range(mp, tp, &alow, &ahigh, xfs_getfsmap_rtdev_rtbitmap_helper, info); if (error) goto err; @@ -547,7 +547,7 @@ xfs_getfsmap_rtdev_rtbitmap_query( info->last = true; ahigh.ar_startext = min(mp->m_sb.sb_rextents, ahigh.ar_startext); - error = xfs_getfsmap_rtdev_rtbitmap_helper(tp, &ahigh, info); + error = xfs_getfsmap_rtdev_rtbitmap_helper(mp, tp, &ahigh, info); if (error) goto err; err: diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index e4cc6b7cae0f..888839e75d11 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -349,10 +349,7 @@ xfs_fs_counts( cnt->freeino = percpu_counter_read_positive(&mp->m_ifree); cnt->freedata = percpu_counter_read_positive(&mp->m_fdblocks) - xfs_fdblocks_unavailable(mp); - - spin_lock(&mp->m_sb_lock); - cnt->freertx = mp->m_sb.sb_frextents; - spin_unlock(&mp->m_sb_lock); + cnt->freertx = percpu_counter_read_positive(&mp->m_frextents); } /* diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index bffd6eb0b298..5269354b1b69 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -1916,13 +1916,16 @@ xfs_inodegc_want_queue_rt_file( struct xfs_inode *ip) { struct xfs_mount *mp = ip->i_mount; - uint64_t freertx; if (!XFS_IS_REALTIME_INODE(ip)) return false; - freertx = READ_ONCE(mp->m_sb.sb_frextents); - return freertx < mp->m_low_rtexts[XFS_LOWSP_5_PCNT]; + if (__percpu_counter_compare(&mp->m_frextents, + mp->m_low_rtexts[XFS_LOWSP_5_PCNT], + XFS_FDBLOCKS_BATCH) < 0) + return true; + + return false; } #else # define xfs_inodegc_want_queue_rt_file(ip) (false) diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 5ea460f62201..6c60ff2a4c47 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2597,14 +2597,13 @@ xfs_ifree_cluster( } /* - * This is called to return an inode to the inode free list. - * The inode should already be truncated to 0 length and have - * no pages associated with it. This routine also assumes that - * the inode is already a part of the transaction. + * This is called to return an inode to the inode free list. The inode should + * already be truncated to 0 length and have no pages associated with it. This + * routine also assumes that the inode is already a part of the transaction. * - * The on-disk copy of the inode will have been added to the list - * of unlinked inodes in the AGI. We need to remove the inode from - * that list atomically with respect to freeing it here. + * The on-disk copy of the inode will have been added to the list of unlinked + * inodes in the AGI. We need to remove the inode from that list atomically with + * respect to freeing it here. */ int xfs_ifree( @@ -2626,13 +2625,16 @@ xfs_ifree( pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino)); /* - * Pull the on-disk inode from the AGI unlinked list. + * Free the inode first so that we guarantee that the AGI lock is going + * to be taken before we remove the inode from the unlinked list. This + * makes the AGI lock -> unlinked list modification order the same as + * used in O_TMPFILE creation. */ - error = xfs_iunlink_remove(tp, pag, ip); + error = xfs_difree(tp, pag, ip->i_ino, &xic); if (error) - goto out; + return error; - error = xfs_difree(tp, pag, ip->i_ino, &xic); + error = xfs_iunlink_remove(tp, pag, ip); if (error) goto out; diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c index c5084dce75cd..8f495cc23903 100644 --- a/fs/xfs/xfs_message.c +++ b/fs/xfs/xfs_message.c @@ -27,40 +27,32 @@ __xfs_printk( printk("%sXFS: %pV\n", level, vaf); } -#define define_xfs_printk_level(func, kern_level) \ -void func(const struct xfs_mount *mp, const char *fmt, ...) \ -{ \ - struct va_format vaf; \ - va_list args; \ - int level; \ - \ - va_start(args, fmt); \ - \ - vaf.fmt = fmt; \ - vaf.va = &args; \ - \ - __xfs_printk(kern_level, mp, &vaf); \ - va_end(args); \ - \ - if (!kstrtoint(kern_level, 0, &level) && \ - level <= LOGLEVEL_ERR && \ - xfs_error_level >= XFS_ERRLEVEL_HIGH) \ - xfs_stack_trace(); \ -} \ - -define_xfs_printk_level(xfs_emerg, KERN_EMERG); -define_xfs_printk_level(xfs_alert, KERN_ALERT); -define_xfs_printk_level(xfs_crit, KERN_CRIT); -define_xfs_printk_level(xfs_err, KERN_ERR); -define_xfs_printk_level(xfs_warn, KERN_WARNING); -define_xfs_printk_level(xfs_notice, KERN_NOTICE); -define_xfs_printk_level(xfs_info, KERN_INFO); -#ifdef DEBUG -define_xfs_printk_level(xfs_debug, KERN_DEBUG); -#endif +void +xfs_printk_level( + const char *kern_level, + const struct xfs_mount *mp, + const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + int level; + + va_start(args, fmt); + vaf.fmt = fmt; + vaf.va = &args; + + __xfs_printk(kern_level, mp, &vaf); + + va_end(args); + + if (!kstrtoint(kern_level, 0, &level) && + level <= LOGLEVEL_ERR && + xfs_error_level >= XFS_ERRLEVEL_HIGH) + xfs_stack_trace(); +} void -xfs_alert_tag( +_xfs_alert_tag( const struct xfs_mount *mp, uint32_t panic_tag, const char *fmt, ...) diff --git a/fs/xfs/xfs_message.h b/fs/xfs/xfs_message.h index dee98e9ccc3d..55ee464ab59f 100644 --- a/fs/xfs/xfs_message.h +++ b/fs/xfs/xfs_message.h @@ -6,34 +6,46 @@ struct xfs_mount; -extern __printf(2, 3) -void xfs_emerg(const struct xfs_mount *mp, const char *fmt, ...); -extern __printf(2, 3) -void xfs_alert(const struct xfs_mount *mp, const char *fmt, ...); extern __printf(3, 4) -void xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag, - const char *fmt, ...); -extern __printf(2, 3) -void xfs_crit(const struct xfs_mount *mp, const char *fmt, ...); -extern __printf(2, 3) -void xfs_err(const struct xfs_mount *mp, const char *fmt, ...); -extern __printf(2, 3) -void xfs_warn(const struct xfs_mount *mp, const char *fmt, ...); -extern __printf(2, 3) -void xfs_notice(const struct xfs_mount *mp, const char *fmt, ...); -extern __printf(2, 3) -void xfs_info(const struct xfs_mount *mp, const char *fmt, ...); +void xfs_printk_level(const char *kern_level, const struct xfs_mount *mp, + const char *fmt, ...); +#define xfs_printk_index_wrap(kern_level, mp, fmt, ...) \ +({ \ + printk_index_subsys_emit("%sXFS%s: ", kern_level, fmt); \ + xfs_printk_level(kern_level, mp, fmt, ##__VA_ARGS__); \ +}) +#define xfs_emerg(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_EMERG, mp, fmt, ##__VA_ARGS__) +#define xfs_alert(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_ALERT, mp, fmt, ##__VA_ARGS__) +#define xfs_crit(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_CRIT, mp, fmt, ##__VA_ARGS__) +#define xfs_err(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_ERR, mp, fmt, ##__VA_ARGS__) +#define xfs_warn(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_WARNING, mp, fmt, ##__VA_ARGS__) +#define xfs_notice(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_NOTICE, mp, fmt, ##__VA_ARGS__) +#define xfs_info(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_INFO, mp, fmt, ##__VA_ARGS__) #ifdef DEBUG -extern __printf(2, 3) -void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...); +#define xfs_debug(mp, fmt, ...) \ + xfs_printk_index_wrap(KERN_DEBUG, mp, fmt, ##__VA_ARGS__) #else -static inline __printf(2, 3) -void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...) -{ -} +#define xfs_debug(mp, fmt, ...) do {} while (0) #endif +#define xfs_alert_tag(mp, tag, fmt, ...) \ +({ \ + printk_index_subsys_emit("%sXFS%s: ", KERN_ALERT, fmt); \ + _xfs_alert_tag(mp, tag, fmt, ##__VA_ARGS__); \ +}) + +extern __printf(3, 4) +void _xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag, + const char *fmt, ...); + #define xfs_printk_ratelimited(func, dev, fmt, ...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index c5f153c3693f..0c0bcbd4949d 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -468,6 +468,8 @@ STATIC int xfs_check_summary_counts( struct xfs_mount *mp) { + int error = 0; + /* * The AG0 superblock verifier rejects in-progress filesystems, * so we should never see the flag set this far into mounting. @@ -506,11 +508,32 @@ xfs_check_summary_counts( * superblock to be correct and we don't need to do anything here. * Otherwise, recalculate the summary counters. */ - if ((!xfs_has_lazysbcount(mp) || xfs_is_clean(mp)) && - !xfs_fs_has_sickness(mp, XFS_SICK_FS_COUNTERS)) - return 0; + if ((xfs_has_lazysbcount(mp) && !xfs_is_clean(mp)) || + xfs_fs_has_sickness(mp, XFS_SICK_FS_COUNTERS)) { + error = xfs_initialize_perag_data(mp, mp->m_sb.sb_agcount); + if (error) + return error; + } - return xfs_initialize_perag_data(mp, mp->m_sb.sb_agcount); + /* + * Older kernels misused sb_frextents to reflect both incore + * reservations made by running transactions and the actual count of + * free rt extents in the ondisk metadata. Transactions committed + * during runtime can therefore contain a superblock update that + * undercounts the number of free rt extents tracked in the rt bitmap. + * A clean unmount record will have the correct frextents value since + * there can be no other transactions running at that point. + * + * If we're mounting the rt volume after recovering the log, recompute + * frextents from the rtbitmap file to fix the inconsistency. + */ + if (xfs_has_realtime(mp) && !xfs_is_clean(mp)) { + error = xfs_rtalloc_reinit_frextents(mp); + if (error) + return error; + } + + return 0; } /* @@ -784,11 +807,6 @@ xfs_mountfs( goto out_inodegc_shrinker; } - /* Make sure the summary counts are ok. */ - error = xfs_check_summary_counts(mp); - if (error) - goto out_log_dealloc; - /* Enable background inode inactivation workers. */ xfs_inodegc_start(mp); xfs_blockgc_start(mp); @@ -844,6 +862,11 @@ xfs_mountfs( goto out_rele_rip; } + /* Make sure the summary counts are ok. */ + error = xfs_check_summary_counts(mp); + if (error) + goto out_rtunmount; + /* * If this is a read-only mount defer the superblock updates until * the next remount into writeable mode. Otherwise we would never @@ -1087,24 +1110,33 @@ xfs_fs_writable( return true; } +/* Adjust m_fdblocks or m_frextents. */ int -xfs_mod_fdblocks( +xfs_mod_freecounter( struct xfs_mount *mp, + struct percpu_counter *counter, int64_t delta, bool rsvd) { int64_t lcounter; long long res_used; + uint64_t set_aside = 0; s32 batch; - uint64_t set_aside; + bool has_resv_pool; + + ASSERT(counter == &mp->m_fdblocks || counter == &mp->m_frextents); + has_resv_pool = (counter == &mp->m_fdblocks); + if (rsvd) + ASSERT(has_resv_pool); if (delta > 0) { /* * If the reserve pool is depleted, put blocks back into it * first. Most of the time the pool is full. */ - if (likely(mp->m_resblks == mp->m_resblks_avail)) { - percpu_counter_add(&mp->m_fdblocks, delta); + if (likely(!has_resv_pool || + mp->m_resblks == mp->m_resblks_avail)) { + percpu_counter_add(counter, delta); return 0; } @@ -1116,7 +1148,7 @@ xfs_mod_fdblocks( } else { delta -= res_used; mp->m_resblks_avail = mp->m_resblks; - percpu_counter_add(&mp->m_fdblocks, delta); + percpu_counter_add(counter, delta); } spin_unlock(&mp->m_sb_lock); return 0; @@ -1130,7 +1162,7 @@ xfs_mod_fdblocks( * then make everything serialise as we are real close to * ENOSPC. */ - if (__percpu_counter_compare(&mp->m_fdblocks, 2 * XFS_FDBLOCKS_BATCH, + if (__percpu_counter_compare(counter, 2 * XFS_FDBLOCKS_BATCH, XFS_FDBLOCKS_BATCH) < 0) batch = 1; else @@ -1147,9 +1179,10 @@ xfs_mod_fdblocks( * problems (i.e. transaction abort, pagecache discards, etc.) than * slightly premature -ENOSPC. */ - set_aside = xfs_fdblocks_unavailable(mp); - percpu_counter_add_batch(&mp->m_fdblocks, delta, batch); - if (__percpu_counter_compare(&mp->m_fdblocks, set_aside, + if (has_resv_pool) + set_aside = xfs_fdblocks_unavailable(mp); + percpu_counter_add_batch(counter, delta, batch); + if (__percpu_counter_compare(counter, set_aside, XFS_FDBLOCKS_BATCH) >= 0) { /* we had space! */ return 0; @@ -1160,8 +1193,8 @@ xfs_mod_fdblocks( * that took us to ENOSPC. */ spin_lock(&mp->m_sb_lock); - percpu_counter_add(&mp->m_fdblocks, -delta); - if (!rsvd) + percpu_counter_add(counter, -delta); + if (!has_resv_pool || !rsvd) goto fdblocks_enospc; lcounter = (long long)mp->m_resblks_avail + delta; @@ -1178,24 +1211,6 @@ fdblocks_enospc: return -ENOSPC; } -int -xfs_mod_frextents( - struct xfs_mount *mp, - int64_t delta) -{ - int64_t lcounter; - int ret = 0; - - spin_lock(&mp->m_sb_lock); - lcounter = mp->m_sb.sb_frextents + delta; - if (lcounter < 0) - ret = -ENOSPC; - else - mp->m_sb.sb_frextents = lcounter; - spin_unlock(&mp->m_sb_lock); - return ret; -} - /* * Used to free the superblock along various error paths. */ diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index e5629e7c5aaf..ef363709e00e 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -183,6 +183,8 @@ typedef struct xfs_mount { struct percpu_counter m_icount; /* allocated inodes counter */ struct percpu_counter m_ifree; /* free inodes counter */ struct percpu_counter m_fdblocks; /* free block counter */ + struct percpu_counter m_frextents; /* free rt extent counter */ + /* * Count of data device blocks reserved for delayed allocations, * including indlen blocks. Does not include allocated CoW staging @@ -493,9 +495,20 @@ xfs_fdblocks_unavailable( return mp->m_alloc_set_aside + atomic64_read(&mp->m_allocbt_blks); } -extern int xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta, - bool reserved); -extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta); +int xfs_mod_freecounter(struct xfs_mount *mp, struct percpu_counter *counter, + int64_t delta, bool rsvd); + +static inline int +xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta, bool reserved) +{ + return xfs_mod_freecounter(mp, &mp->m_fdblocks, delta, reserved); +} + +static inline int +xfs_mod_frextents(struct xfs_mount *mp, int64_t delta) +{ + return xfs_mod_freecounter(mp, &mp->m_frextents, delta, false); +} extern int xfs_readsb(xfs_mount_t *, int); extern void xfs_freesb(xfs_mount_t *); diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index b8c79ee791af..997e4a9d27d3 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -1284,6 +1284,44 @@ xfs_rtmount_init( return 0; } +static int +xfs_rtalloc_count_frextent( + struct xfs_mount *mp, + struct xfs_trans *tp, + const struct xfs_rtalloc_rec *rec, + void *priv) +{ + uint64_t *valp = priv; + + *valp += rec->ar_extcount; + return 0; +} + +/* + * Reinitialize the number of free realtime extents from the realtime bitmap. + * Callers must ensure that there is no other activity in the filesystem. + */ +int +xfs_rtalloc_reinit_frextents( + struct xfs_mount *mp) +{ + uint64_t val = 0; + int error; + + xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL); + error = xfs_rtalloc_query_all(mp, NULL, xfs_rtalloc_count_frextent, + &val); + xfs_iunlock(mp->m_rbmip, XFS_ILOCK_EXCL); + if (error) + return error; + + spin_lock(&mp->m_sb_lock); + mp->m_sb.sb_frextents = val; + spin_unlock(&mp->m_sb_lock); + percpu_counter_set(&mp->m_frextents, mp->m_sb.sb_frextents); + return 0; +} + /* * Get the bitmap and summary inodes and the summary cache into the mount * structure at mount time. diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h index 91b00289509b..62c7ad79cbb6 100644 --- a/fs/xfs/xfs_rtalloc.h +++ b/fs/xfs/xfs_rtalloc.h @@ -22,6 +22,7 @@ struct xfs_rtalloc_rec { }; typedef int (*xfs_rtalloc_query_range_fn)( + struct xfs_mount *mp, struct xfs_trans *tp, const struct xfs_rtalloc_rec *rec, void *priv); @@ -123,27 +124,29 @@ int xfs_rtmodify_summary(struct xfs_mount *mp, struct xfs_trans *tp, int log, int xfs_rtfree_range(struct xfs_mount *mp, struct xfs_trans *tp, xfs_rtblock_t start, xfs_extlen_t len, struct xfs_buf **rbpp, xfs_fsblock_t *rsb); -int xfs_rtalloc_query_range(struct xfs_trans *tp, +int xfs_rtalloc_query_range(struct xfs_mount *mp, struct xfs_trans *tp, const struct xfs_rtalloc_rec *low_rec, const struct xfs_rtalloc_rec *high_rec, xfs_rtalloc_query_range_fn fn, void *priv); -int xfs_rtalloc_query_all(struct xfs_trans *tp, +int xfs_rtalloc_query_all(struct xfs_mount *mp, struct xfs_trans *tp, xfs_rtalloc_query_range_fn fn, void *priv); bool xfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno); int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp, xfs_rtblock_t start, xfs_extlen_t len, bool *is_free); +int xfs_rtalloc_reinit_frextents(struct xfs_mount *mp); #else # define xfs_rtallocate_extent(t,b,min,max,l,f,p,rb) (ENOSYS) # define xfs_rtfree_extent(t,b,l) (ENOSYS) # define xfs_rtpick_extent(m,t,l,rb) (ENOSYS) # define xfs_growfs_rt(mp,in) (ENOSYS) # define xfs_rtalloc_query_range(t,l,h,f,p) (ENOSYS) -# define xfs_rtalloc_query_all(t,f,p) (ENOSYS) +# define xfs_rtalloc_query_all(m,t,f,p) (ENOSYS) # define xfs_rtbuf_get(m,t,b,i,p) (ENOSYS) # define xfs_verify_rtbno(m, r) (false) # define xfs_rtalloc_extent_is_free(m,t,s,l,i) (ENOSYS) +# define xfs_rtalloc_reinit_frextents(m) (0) static inline int /* error */ xfs_rtmount_init( xfs_mount_t *mp) /* file system mount structure */ diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 54be9d64093e..3a5088646294 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -843,9 +843,11 @@ xfs_fs_statfs( if (XFS_IS_REALTIME_MOUNT(mp) && (ip->i_diflags & (XFS_DIFLAG_RTINHERIT | XFS_DIFLAG_REALTIME))) { + s64 freertx; + statp->f_blocks = sbp->sb_rblocks; - statp->f_bavail = statp->f_bfree = - sbp->sb_frextents * sbp->sb_rextsize; + freertx = percpu_counter_sum_positive(&mp->m_frextents); + statp->f_bavail = statp->f_bfree = freertx * sbp->sb_rextsize; } return 0; @@ -1015,8 +1017,14 @@ xfs_init_percpu_counters( if (error) goto free_fdblocks; + error = percpu_counter_init(&mp->m_frextents, 0, GFP_KERNEL); + if (error) + goto free_delalloc; + return 0; +free_delalloc: + percpu_counter_destroy(&mp->m_delalloc_blks); free_fdblocks: percpu_counter_destroy(&mp->m_fdblocks); free_ifree: @@ -1033,6 +1041,7 @@ xfs_reinit_percpu_counters( percpu_counter_set(&mp->m_icount, mp->m_sb.sb_icount); percpu_counter_set(&mp->m_ifree, mp->m_sb.sb_ifree); percpu_counter_set(&mp->m_fdblocks, mp->m_sb.sb_fdblocks); + percpu_counter_set(&mp->m_frextents, mp->m_sb.sb_frextents); } static void @@ -1045,6 +1054,7 @@ xfs_destroy_percpu_counters( ASSERT(xfs_is_shutdown(mp) || percpu_counter_sum(&mp->m_delalloc_blks) == 0); percpu_counter_destroy(&mp->m_delalloc_blks); + percpu_counter_destroy(&mp->m_frextents); } static int diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 0ac717aad380..6d9df2e9b267 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -498,10 +498,31 @@ xfs_trans_apply_sb_deltas( be64_add_cpu(&sbp->sb_fdblocks, tp->t_res_fdblocks_delta); } - if (tp->t_frextents_delta) - be64_add_cpu(&sbp->sb_frextents, tp->t_frextents_delta); - if (tp->t_res_frextents_delta) - be64_add_cpu(&sbp->sb_frextents, tp->t_res_frextents_delta); + /* + * Updating frextents requires careful handling because it does not + * behave like the lazysb counters because we cannot rely on log + * recovery in older kenels to recompute the value from the rtbitmap. + * This means that the ondisk frextents must be consistent with the + * rtbitmap. + * + * Therefore, log the frextents change to the ondisk superblock and + * update the incore superblock so that future calls to xfs_log_sb + * write the correct value ondisk. + * + * Don't touch m_frextents because it includes incore reservations, + * and those are handled by the unreserve function. + */ + if (tp->t_frextents_delta || tp->t_res_frextents_delta) { + struct xfs_mount *mp = tp->t_mountp; + int64_t rtxdelta; + + rtxdelta = tp->t_frextents_delta + tp->t_res_frextents_delta; + + spin_lock(&mp->m_sb_lock); + be64_add_cpu(&sbp->sb_frextents, rtxdelta); + mp->m_sb.sb_frextents += rtxdelta; + spin_unlock(&mp->m_sb_lock); + } if (tp->t_dblocks_delta) { be64_add_cpu(&sbp->sb_dblocks, tp->t_dblocks_delta); @@ -614,7 +635,12 @@ xfs_trans_unreserve_and_mod_sb( if (ifreedelta) percpu_counter_add(&mp->m_ifree, ifreedelta); - if (rtxdelta == 0 && !(tp->t_flags & XFS_TRANS_SB_DIRTY)) + if (rtxdelta) { + error = xfs_mod_frextents(mp, rtxdelta); + ASSERT(!error); + } + + if (!(tp->t_flags & XFS_TRANS_SB_DIRTY)) return; /* apply remaining deltas */ @@ -622,7 +648,12 @@ xfs_trans_unreserve_and_mod_sb( mp->m_sb.sb_fdblocks += tp->t_fdblocks_delta + tp->t_res_fdblocks_delta; mp->m_sb.sb_icount += idelta; mp->m_sb.sb_ifree += ifreedelta; - mp->m_sb.sb_frextents += rtxdelta; + /* + * Do not touch sb_frextents here because we are dealing with incore + * reservation. sb_frextents is not part of the lazy sb counters so it + * must be consistent with the ondisk rtbitmap and must never include + * incore reservations. + */ mp->m_sb.sb_dblocks += tp->t_dblocks_delta; mp->m_sb.sb_agcount += tp->t_agcount_delta; mp->m_sb.sb_imax_pct += tp->t_imaxpct_delta; diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index 569b68fc6912..87e940b5366e 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -175,7 +175,7 @@ xfs_trans_get_buf( struct xfs_buftarg *target, xfs_daddr_t blkno, int numblks, - uint flags, + xfs_buf_flags_t flags, struct xfs_buf **bpp) { DEFINE_SINGLE_BUF_MAP(map, blkno, numblks); |