diff options
Diffstat (limited to 'fs/ntfs/lcnalloc.c')
| -rw-r--r-- | fs/ntfs/lcnalloc.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/fs/ntfs/lcnalloc.c b/fs/ntfs/lcnalloc.c index 7b5934290685..5af3bf0b7eee 100644 --- a/fs/ntfs/lcnalloc.c +++ b/fs/ntfs/lcnalloc.c | |||
| @@ -779,14 +779,13 @@ out: | |||
| 779 | 779 | ||
| 780 | /** | 780 | /** |
| 781 | * __ntfs_cluster_free - free clusters on an ntfs volume | 781 | * __ntfs_cluster_free - free clusters on an ntfs volume |
| 782 | * @vi: vfs inode whose runlist describes the clusters to free | 782 | * @ni: ntfs inode whose runlist describes the clusters to free |
| 783 | * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters | 783 | * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters |
| 784 | * @count: number of clusters to free or -1 for all clusters | 784 | * @count: number of clusters to free or -1 for all clusters |
| 785 | * @write_locked: true if the runlist is locked for writing | ||
| 786 | * @is_rollback: true if this is a rollback operation | 785 | * @is_rollback: true if this is a rollback operation |
| 787 | * | 786 | * |
| 788 | * Free @count clusters starting at the cluster @start_vcn in the runlist | 787 | * Free @count clusters starting at the cluster @start_vcn in the runlist |
| 789 | * described by the vfs inode @vi. | 788 | * described by the vfs inode @ni. |
| 790 | * | 789 | * |
| 791 | * If @count is -1, all clusters from @start_vcn to the end of the runlist are | 790 | * If @count is -1, all clusters from @start_vcn to the end of the runlist are |
| 792 | * deallocated. Thus, to completely free all clusters in a runlist, use | 791 | * deallocated. Thus, to completely free all clusters in a runlist, use |
| @@ -801,31 +800,28 @@ out: | |||
| 801 | * Return the number of deallocated clusters (not counting sparse ones) on | 800 | * Return the number of deallocated clusters (not counting sparse ones) on |
| 802 | * success and -errno on error. | 801 | * success and -errno on error. |
| 803 | * | 802 | * |
| 804 | * Locking: - The runlist described by @vi must be locked on entry and is | 803 | * Locking: - The runlist described by @ni must be locked for writing on entry |
| 805 | * locked on return. Note if the runlist is locked for reading the | 804 | * and is locked on return. Note the runlist may be modified when |
| 806 | * lock may be dropped and reacquired. Note the runlist may be | 805 | * needed runlist fragments need to be mapped. |
| 807 | * modified when needed runlist fragments need to be mapped. | ||
| 808 | * - The volume lcn bitmap must be unlocked on entry and is unlocked | 806 | * - The volume lcn bitmap must be unlocked on entry and is unlocked |
| 809 | * on return. | 807 | * on return. |
| 810 | * - This function takes the volume lcn bitmap lock for writing and | 808 | * - This function takes the volume lcn bitmap lock for writing and |
| 811 | * modifies the bitmap contents. | 809 | * modifies the bitmap contents. |
| 812 | */ | 810 | */ |
| 813 | s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, | 811 | s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, s64 count, |
| 814 | const BOOL write_locked, const BOOL is_rollback) | 812 | const BOOL is_rollback) |
| 815 | { | 813 | { |
| 816 | s64 delta, to_free, total_freed, real_freed; | 814 | s64 delta, to_free, total_freed, real_freed; |
| 817 | ntfs_inode *ni; | ||
| 818 | ntfs_volume *vol; | 815 | ntfs_volume *vol; |
| 819 | struct inode *lcnbmp_vi; | 816 | struct inode *lcnbmp_vi; |
| 820 | runlist_element *rl; | 817 | runlist_element *rl; |
| 821 | int err; | 818 | int err; |
| 822 | 819 | ||
| 823 | BUG_ON(!vi); | 820 | BUG_ON(!ni); |
| 824 | ntfs_debug("Entering for i_ino 0x%lx, start_vcn 0x%llx, count " | 821 | ntfs_debug("Entering for i_ino 0x%lx, start_vcn 0x%llx, count " |
| 825 | "0x%llx.%s", vi->i_ino, (unsigned long long)start_vcn, | 822 | "0x%llx.%s", ni->mft_no, (unsigned long long)start_vcn, |
| 826 | (unsigned long long)count, | 823 | (unsigned long long)count, |
| 827 | is_rollback ? " (rollback)" : ""); | 824 | is_rollback ? " (rollback)" : ""); |
| 828 | ni = NTFS_I(vi); | ||
| 829 | vol = ni->vol; | 825 | vol = ni->vol; |
| 830 | lcnbmp_vi = vol->lcnbmp_ino; | 826 | lcnbmp_vi = vol->lcnbmp_ino; |
| 831 | BUG_ON(!lcnbmp_vi); | 827 | BUG_ON(!lcnbmp_vi); |
| @@ -843,7 +839,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, | |||
| 843 | 839 | ||
| 844 | total_freed = real_freed = 0; | 840 | total_freed = real_freed = 0; |
| 845 | 841 | ||
| 846 | rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, write_locked); | 842 | rl = ntfs_attr_find_vcn_nolock(ni, start_vcn, TRUE); |
| 847 | if (IS_ERR(rl)) { | 843 | if (IS_ERR(rl)) { |
| 848 | if (!is_rollback) | 844 | if (!is_rollback) |
| 849 | ntfs_error(vol->sb, "Failed to find first runlist " | 845 | ntfs_error(vol->sb, "Failed to find first runlist " |
| @@ -897,7 +893,7 @@ s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, | |||
| 897 | 893 | ||
| 898 | /* Attempt to map runlist. */ | 894 | /* Attempt to map runlist. */ |
| 899 | vcn = rl->vcn; | 895 | vcn = rl->vcn; |
| 900 | rl = ntfs_attr_find_vcn_nolock(ni, vcn, write_locked); | 896 | rl = ntfs_attr_find_vcn_nolock(ni, vcn, TRUE); |
| 901 | if (IS_ERR(rl)) { | 897 | if (IS_ERR(rl)) { |
| 902 | err = PTR_ERR(rl); | 898 | err = PTR_ERR(rl); |
| 903 | if (!is_rollback) | 899 | if (!is_rollback) |
| @@ -965,8 +961,7 @@ err_out: | |||
| 965 | * If rollback fails, set the volume errors flag, emit an error | 961 | * If rollback fails, set the volume errors flag, emit an error |
| 966 | * message, and return the error code. | 962 | * message, and return the error code. |
| 967 | */ | 963 | */ |
| 968 | delta = __ntfs_cluster_free(vi, start_vcn, total_freed, write_locked, | 964 | delta = __ntfs_cluster_free(ni, start_vcn, total_freed, TRUE); |
| 969 | TRUE); | ||
| 970 | if (delta < 0) { | 965 | if (delta < 0) { |
| 971 | ntfs_error(vol->sb, "Failed to rollback (error %i). Leaving " | 966 | ntfs_error(vol->sb, "Failed to rollback (error %i). Leaving " |
| 972 | "inconsistent metadata! Unmount and run " | 967 | "inconsistent metadata! Unmount and run " |
