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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-14 15:17:32 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-14 15:17:32 -0400 |
| commit | 96ecff14225ad40a29f4d5cfa6bd9266c8e1e89a (patch) | |
| tree | c63c2417417cd40c65236f35d697aff0ada5ec1b /fs/ufs | |
| parent | 67a70017fa0a152657bc7e337e69bb9c9f5549bf (diff) | |
| download | linux-exynos-96ecff14225ad40a29f4d5cfa6bd9266c8e1e89a.tar.gz linux-exynos-96ecff14225ad40a29f4d5cfa6bd9266c8e1e89a.tar.bz2 linux-exynos-96ecff14225ad40a29f4d5cfa6bd9266c8e1e89a.zip | |
ufs: fix logics in "ufs: make fsck -f happy"
Storing stats _only_ at new locations is wrong for UFS1; old
locations should always be kept updated. The check for "has
been converted to use of new locations" is also wrong - it
should be "->fs_maxbsize is equal to ->fs_bsize".
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ufs')
| -rw-r--r-- | fs/ufs/super.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index d9aa2627c9df..eca838a8b43e 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -480,7 +480,7 @@ static void ufs_setup_cstotal(struct super_block *sb) usb3 = ubh_get_usb_third(uspi); if ((mtype == UFS_MOUNT_UFSTYPE_44BSD && - (usb1->fs_flags & UFS_FLAGS_UPDATED)) || + (usb2->fs_un.fs_u2.fs_maxbsize == usb1->fs_bsize)) || mtype == UFS_MOUNT_UFSTYPE_UFS2) { /*we have statistic in different place, then usual*/ uspi->cs_total.cs_ndir = fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_ndir); @@ -596,9 +596,7 @@ static void ufs_put_cstotal(struct super_block *sb) usb2 = ubh_get_usb_second(uspi); usb3 = ubh_get_usb_third(uspi); - if ((mtype == UFS_MOUNT_UFSTYPE_44BSD && - (usb1->fs_flags & UFS_FLAGS_UPDATED)) || - mtype == UFS_MOUNT_UFSTYPE_UFS2) { + if (mtype == UFS_MOUNT_UFSTYPE_UFS2) { /*we have statistic in different place, then usual*/ usb2->fs_un.fs_u2.cs_ndir = cpu_to_fs64(sb, uspi->cs_total.cs_ndir); @@ -608,16 +606,26 @@ static void ufs_put_cstotal(struct super_block *sb) cpu_to_fs64(sb, uspi->cs_total.cs_nifree); usb3->fs_un1.fs_u2.cs_nffree = cpu_to_fs64(sb, uspi->cs_total.cs_nffree); - } else { - usb1->fs_cstotal.cs_ndir = - cpu_to_fs32(sb, uspi->cs_total.cs_ndir); - usb1->fs_cstotal.cs_nbfree = - cpu_to_fs32(sb, uspi->cs_total.cs_nbfree); - usb1->fs_cstotal.cs_nifree = - cpu_to_fs32(sb, uspi->cs_total.cs_nifree); - usb1->fs_cstotal.cs_nffree = - cpu_to_fs32(sb, uspi->cs_total.cs_nffree); + goto out; } + + if (mtype == UFS_MOUNT_UFSTYPE_44BSD && + (usb2->fs_un.fs_u2.fs_maxbsize == usb1->fs_bsize)) { + /* store stats in both old and new places */ + usb2->fs_un.fs_u2.cs_ndir = + cpu_to_fs64(sb, uspi->cs_total.cs_ndir); + usb2->fs_un.fs_u2.cs_nbfree = + cpu_to_fs64(sb, uspi->cs_total.cs_nbfree); + usb3->fs_un1.fs_u2.cs_nifree = + cpu_to_fs64(sb, uspi->cs_total.cs_nifree); + usb3->fs_un1.fs_u2.cs_nffree = + cpu_to_fs64(sb, uspi->cs_total.cs_nffree); + } + usb1->fs_cstotal.cs_ndir = cpu_to_fs32(sb, uspi->cs_total.cs_ndir); + usb1->fs_cstotal.cs_nbfree = cpu_to_fs32(sb, uspi->cs_total.cs_nbfree); + usb1->fs_cstotal.cs_nifree = cpu_to_fs32(sb, uspi->cs_total.cs_nifree); + usb1->fs_cstotal.cs_nffree = cpu_to_fs32(sb, uspi->cs_total.cs_nffree); +out: ubh_mark_buffer_dirty(USPI_UBH(uspi)); ufs_print_super_stuff(sb, usb1, usb2, usb3); UFSD("EXIT\n"); @@ -997,6 +1005,13 @@ again: flags |= UFS_ST_SUN; } + if ((flags & UFS_ST_MASK) == UFS_ST_44BSD && + uspi->s_postblformat == UFS_42POSTBLFMT) { + if (!silent) + pr_err("this is not a 44bsd filesystem"); + goto failed; + } + /* * Check ufs magic number */ |