diff options
Diffstat (limited to 'fs/ntfs/lcnalloc.h')
| -rw-r--r-- | fs/ntfs/lcnalloc.h | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/fs/ntfs/lcnalloc.h b/fs/ntfs/lcnalloc.h index e4d7fb98d685..a6a8827882e7 100644 --- a/fs/ntfs/lcnalloc.h +++ b/fs/ntfs/lcnalloc.h | |||
| @@ -2,7 +2,7 @@ | |||
| 2 | * lcnalloc.h - Exports for NTFS kernel cluster (de)allocation. Part of the | 2 | * lcnalloc.h - Exports for NTFS kernel cluster (de)allocation. Part of the |
| 3 | * Linux-NTFS project. | 3 | * Linux-NTFS project. |
| 4 | * | 4 | * |
| 5 | * Copyright (c) 2004 Anton Altaparmakov | 5 | * Copyright (c) 2004-2005 Anton Altaparmakov |
| 6 | * | 6 | * |
| 7 | * This program/include file is free software; you can redistribute it and/or | 7 | * This program/include file is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as published | 8 | * modify it under the terms of the GNU General Public License as published |
| @@ -28,6 +28,7 @@ | |||
| 28 | #include <linux/fs.h> | 28 | #include <linux/fs.h> |
| 29 | 29 | ||
| 30 | #include "types.h" | 30 | #include "types.h" |
| 31 | #include "inode.h" | ||
| 31 | #include "runlist.h" | 32 | #include "runlist.h" |
| 32 | #include "volume.h" | 33 | #include "volume.h" |
| 33 | 34 | ||
| @@ -42,18 +43,17 @@ extern runlist_element *ntfs_cluster_alloc(ntfs_volume *vol, | |||
| 42 | const VCN start_vcn, const s64 count, const LCN start_lcn, | 43 | const VCN start_vcn, const s64 count, const LCN start_lcn, |
| 43 | const NTFS_CLUSTER_ALLOCATION_ZONES zone); | 44 | const NTFS_CLUSTER_ALLOCATION_ZONES zone); |
| 44 | 45 | ||
| 45 | extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, | 46 | extern s64 __ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, |
| 46 | s64 count, const BOOL write_locked, const BOOL is_rollback); | 47 | s64 count, const BOOL is_rollback); |
| 47 | 48 | ||
| 48 | /** | 49 | /** |
| 49 | * ntfs_cluster_free - free clusters on an ntfs volume | 50 | * ntfs_cluster_free - free clusters on an ntfs volume |
| 50 | * @vi: vfs inode whose runlist describes the clusters to free | 51 | * @ni: ntfs inode whose runlist describes the clusters to free |
| 51 | * @start_vcn: vcn in the runlist of @vi at which to start freeing clusters | 52 | * @start_vcn: vcn in the runlist of @ni at which to start freeing clusters |
| 52 | * @count: number of clusters to free or -1 for all clusters | 53 | * @count: number of clusters to free or -1 for all clusters |
| 53 | * @write_locked: true if the runlist is locked for writing | ||
| 54 | * | 54 | * |
| 55 | * Free @count clusters starting at the cluster @start_vcn in the runlist | 55 | * Free @count clusters starting at the cluster @start_vcn in the runlist |
| 56 | * described by the vfs inode @vi. | 56 | * described by the ntfs inode @ni. |
| 57 | * | 57 | * |
| 58 | * If @count is -1, all clusters from @start_vcn to the end of the runlist are | 58 | * If @count is -1, all clusters from @start_vcn to the end of the runlist are |
| 59 | * deallocated. Thus, to completely free all clusters in a runlist, use | 59 | * deallocated. Thus, to completely free all clusters in a runlist, use |
| @@ -65,19 +65,18 @@ extern s64 __ntfs_cluster_free(struct inode *vi, const VCN start_vcn, | |||
| 65 | * Return the number of deallocated clusters (not counting sparse ones) on | 65 | * Return the number of deallocated clusters (not counting sparse ones) on |
| 66 | * success and -errno on error. | 66 | * success and -errno on error. |
| 67 | * | 67 | * |
| 68 | * Locking: - The runlist described by @vi must be locked on entry and is | 68 | * Locking: - The runlist described by @ni must be locked for writing on entry |
| 69 | * locked on return. Note if the runlist is locked for reading the | 69 | * and is locked on return. Note the runlist may be modified when |
| 70 | * lock may be dropped and reacquired. Note the runlist may be | 70 | * needed runlist fragments need to be mapped. |
| 71 | * modified when needed runlist fragments need to be mapped. | ||
| 72 | * - The volume lcn bitmap must be unlocked on entry and is unlocked | 71 | * - The volume lcn bitmap must be unlocked on entry and is unlocked |
| 73 | * on return. | 72 | * on return. |
| 74 | * - This function takes the volume lcn bitmap lock for writing and | 73 | * - This function takes the volume lcn bitmap lock for writing and |
| 75 | * modifies the bitmap contents. | 74 | * modifies the bitmap contents. |
| 76 | */ | 75 | */ |
| 77 | static inline s64 ntfs_cluster_free(struct inode *vi, const VCN start_vcn, | 76 | static inline s64 ntfs_cluster_free(ntfs_inode *ni, const VCN start_vcn, |
| 78 | s64 count, const BOOL write_locked) | 77 | s64 count) |
| 79 | { | 78 | { |
| 80 | return __ntfs_cluster_free(vi, start_vcn, count, write_locked, FALSE); | 79 | return __ntfs_cluster_free(ni, start_vcn, count, FALSE); |
| 81 | } | 80 | } |
| 82 | 81 | ||
| 83 | extern int ntfs_cluster_free_from_rl_nolock(ntfs_volume *vol, | 82 | extern int ntfs_cluster_free_from_rl_nolock(ntfs_volume *vol, |
