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-rw-r--r--fs/ntfs/lcnalloc.c31
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 */
813s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, s64 count, 811s64 __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 "