diff options
Diffstat (limited to 'fs/xfs/xfs_inode.c')
-rw-r--r-- | fs/xfs/xfs_inode.c | 119 |
1 files changed, 65 insertions, 54 deletions
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 9c39251961a3..36b39539e561 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -877,6 +877,35 @@ xfs_create_tmpfile( return error; } +static inline int +xfs_projid_differ( + struct xfs_inode *tdp, + struct xfs_inode *sip) +{ + /* + * If we are using project inheritance, we only allow hard link/renames + * creation in our tree when the project IDs are the same; else + * the tree quota mechanism could be circumvented. + */ + if (unlikely((tdp->i_diflags & XFS_DIFLAG_PROJINHERIT) && + tdp->i_projid != sip->i_projid)) { + /* + * Project quota setup skips special files which can + * leave inodes in a PROJINHERIT directory without a + * project ID set. We need to allow links to be made + * to these "project-less" inodes because userspace + * expects them to succeed after project ID setup, + * but everything else should be rejected. + */ + if (!special_file(VFS_I(sip)->i_mode) || + sip->i_projid != 0) { + return -EXDEV; + } + } + + return 0; +} + int xfs_link( struct xfs_inode *tdp, @@ -930,27 +959,9 @@ xfs_link( goto error_return; } - /* - * If we are using project inheritance, we only allow hard link - * creation in our tree when the project IDs are the same; else - * the tree quota mechanism could be circumvented. - */ - if (unlikely((tdp->i_diflags & XFS_DIFLAG_PROJINHERIT) && - tdp->i_projid != sip->i_projid)) { - /* - * Project quota setup skips special files which can - * leave inodes in a PROJINHERIT directory without a - * project ID set. We need to allow links to be made - * to these "project-less" inodes because userspace - * expects them to succeed after project ID setup, - * but everything else should be rejected. - */ - if (!special_file(VFS_I(sip)->i_mode) || - sip->i_projid != 0) { - error = -EXDEV; - goto error_return; - } - } + error = xfs_projid_differ(tdp, sip); + if (error) + goto error_return; error = xfs_dir_add_child(tp, resblks, &du); if (error) @@ -1035,7 +1046,7 @@ xfs_itruncate_extents_flags( int error = 0; xfs_assert_ilocked(ip, XFS_ILOCK_EXCL); - if (atomic_read(&VFS_I(ip)->i_count)) + if (icount_read(VFS_I(ip))) xfs_assert_ilocked(ip, XFS_IOLOCK_EXCL); ASSERT(new_size <= XFS_ISIZE(ip)); ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); @@ -1656,7 +1667,6 @@ retry: spin_lock(&iip->ili_lock); iip->ili_last_fields = iip->ili_fields; iip->ili_fields = 0; - iip->ili_fsync_fields = 0; spin_unlock(&iip->ili_lock); ASSERT(iip->ili_last_fields); @@ -1821,12 +1831,20 @@ static void xfs_iunpin( struct xfs_inode *ip) { - xfs_assert_ilocked(ip, XFS_ILOCK_EXCL | XFS_ILOCK_SHARED); + struct xfs_inode_log_item *iip = ip->i_itemp; + xfs_csn_t seq = 0; trace_xfs_inode_unpin_nowait(ip, _RET_IP_); + xfs_assert_ilocked(ip, XFS_ILOCK_EXCL | XFS_ILOCK_SHARED); + + spin_lock(&iip->ili_lock); + seq = iip->ili_commit_seq; + spin_unlock(&iip->ili_lock); + if (!seq) + return; /* Give the log a push to start the unpinning I/O */ - xfs_log_force_seq(ip->i_mount, ip->i_itemp->ili_commit_seq, 0, NULL); + xfs_log_force_seq(ip->i_mount, seq, 0, NULL); } @@ -2227,16 +2245,9 @@ retry: if (du_wip.ip) xfs_trans_ijoin(tp, du_wip.ip, 0); - /* - * If we are using project inheritance, we only allow renames - * into our tree when the project IDs are the same; else the - * tree quota mechanism would be circumvented. - */ - if (unlikely((target_dp->i_diflags & XFS_DIFLAG_PROJINHERIT) && - target_dp->i_projid != src_ip->i_projid)) { - error = -EXDEV; + error = xfs_projid_differ(target_dp, src_ip); + if (error) goto out_trans_cancel; - } /* RENAME_EXCHANGE is unique from here on. */ if (flags & RENAME_EXCHANGE) { @@ -2377,8 +2388,8 @@ xfs_iflush( * error handling as the caller will shutdown and fail the buffer. */ error = -EFSCORRUPTED; - if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC), - mp, XFS_ERRTAG_IFLUSH_1)) { + if (dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC) || + XFS_TEST_ERROR(mp, XFS_ERRTAG_IFLUSH_1)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: Bad inode %llu magic number 0x%x, ptr "PTR_FMT, __func__, ip->i_ino, be16_to_cpu(dip->di_magic), dip); @@ -2394,29 +2405,27 @@ xfs_iflush( goto flush_out; } } else if (S_ISREG(VFS_I(ip)->i_mode)) { - if (XFS_TEST_ERROR( - ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS && - ip->i_df.if_format != XFS_DINODE_FMT_BTREE, - mp, XFS_ERRTAG_IFLUSH_3)) { + if ((ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS && + ip->i_df.if_format != XFS_DINODE_FMT_BTREE) || + XFS_TEST_ERROR(mp, XFS_ERRTAG_IFLUSH_3)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: Bad regular inode %llu, ptr "PTR_FMT, __func__, ip->i_ino, ip); goto flush_out; } } else if (S_ISDIR(VFS_I(ip)->i_mode)) { - if (XFS_TEST_ERROR( - ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS && - ip->i_df.if_format != XFS_DINODE_FMT_BTREE && - ip->i_df.if_format != XFS_DINODE_FMT_LOCAL, - mp, XFS_ERRTAG_IFLUSH_4)) { + if ((ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS && + ip->i_df.if_format != XFS_DINODE_FMT_BTREE && + ip->i_df.if_format != XFS_DINODE_FMT_LOCAL) || + XFS_TEST_ERROR(mp, XFS_ERRTAG_IFLUSH_4)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: Bad directory inode %llu, ptr "PTR_FMT, __func__, ip->i_ino, ip); goto flush_out; } } - if (XFS_TEST_ERROR(ip->i_df.if_nextents + xfs_ifork_nextents(&ip->i_af) > - ip->i_nblocks, mp, XFS_ERRTAG_IFLUSH_5)) { + if (ip->i_df.if_nextents + xfs_ifork_nextents(&ip->i_af) > + ip->i_nblocks || XFS_TEST_ERROR(mp, XFS_ERRTAG_IFLUSH_5)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: detected corrupt incore inode %llu, " "total extents = %llu nblocks = %lld, ptr "PTR_FMT, @@ -2425,8 +2434,8 @@ xfs_iflush( ip->i_nblocks, ip); goto flush_out; } - if (XFS_TEST_ERROR(ip->i_forkoff > mp->m_sb.sb_inodesize, - mp, XFS_ERRTAG_IFLUSH_6)) { + if (ip->i_forkoff > mp->m_sb.sb_inodesize || + XFS_TEST_ERROR(mp, XFS_ERRTAG_IFLUSH_6)) { xfs_alert_tag(mp, XFS_PTAG_IFLUSH, "%s: bad inode %llu, forkoff 0x%x, ptr "PTR_FMT, __func__, ip->i_ino, ip->i_forkoff, ip); @@ -2502,7 +2511,6 @@ flush_out: spin_lock(&iip->ili_lock); iip->ili_last_fields = iip->ili_fields; iip->ili_fields = 0; - iip->ili_fsync_fields = 0; set_bit(XFS_LI_FLUSHING, &iip->ili_item.li_flags); spin_unlock(&iip->ili_lock); @@ -2661,12 +2669,15 @@ int xfs_log_force_inode( struct xfs_inode *ip) { + struct xfs_inode_log_item *iip = ip->i_itemp; xfs_csn_t seq = 0; - xfs_ilock(ip, XFS_ILOCK_SHARED); - if (xfs_ipincount(ip)) - seq = ip->i_itemp->ili_commit_seq; - xfs_iunlock(ip, XFS_ILOCK_SHARED); + if (!iip) + return 0; + + spin_lock(&iip->ili_lock); + seq = iip->ili_commit_seq; + spin_unlock(&iip->ili_lock); if (!seq) return 0; |