diff options
Diffstat (limited to 'fs/xfs/xfs_ialloc.c')
-rw-r--r-- | fs/xfs/xfs_ialloc.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index d36b42bf3ff..bbf537f64c4 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c | |||
@@ -119,6 +119,59 @@ xfs_ialloc_cluster_alignment( | |||
119 | } | 119 | } |
120 | 120 | ||
121 | /* | 121 | /* |
122 | * Lookup the record equal to ino in the btree given by cur. | ||
123 | */ | ||
124 | STATIC int /* error */ | ||
125 | xfs_inobt_lookup_eq( | ||
126 | struct xfs_btree_cur *cur, /* btree cursor */ | ||
127 | xfs_agino_t ino, /* starting inode of chunk */ | ||
128 | __int32_t fcnt, /* free inode count */ | ||
129 | xfs_inofree_t free, /* free inode mask */ | ||
130 | int *stat) /* success/failure */ | ||
131 | { | ||
132 | cur->bc_rec.i.ir_startino = ino; | ||
133 | cur->bc_rec.i.ir_freecount = fcnt; | ||
134 | cur->bc_rec.i.ir_free = free; | ||
135 | return xfs_btree_lookup(cur, XFS_LOOKUP_EQ, stat); | ||
136 | } | ||
137 | |||
138 | /* | ||
139 | * Lookup the first record greater than or equal to ino | ||
140 | * in the btree given by cur. | ||
141 | */ | ||
142 | int /* error */ | ||
143 | xfs_inobt_lookup_ge( | ||
144 | struct xfs_btree_cur *cur, /* btree cursor */ | ||
145 | xfs_agino_t ino, /* starting inode of chunk */ | ||
146 | __int32_t fcnt, /* free inode count */ | ||
147 | xfs_inofree_t free, /* free inode mask */ | ||
148 | int *stat) /* success/failure */ | ||
149 | { | ||
150 | cur->bc_rec.i.ir_startino = ino; | ||
151 | cur->bc_rec.i.ir_freecount = fcnt; | ||
152 | cur->bc_rec.i.ir_free = free; | ||
153 | return xfs_btree_lookup(cur, XFS_LOOKUP_GE, stat); | ||
154 | } | ||
155 | |||
156 | /* | ||
157 | * Lookup the first record less than or equal to ino | ||
158 | * in the btree given by cur. | ||
159 | */ | ||
160 | int /* error */ | ||
161 | xfs_inobt_lookup_le( | ||
162 | struct xfs_btree_cur *cur, /* btree cursor */ | ||
163 | xfs_agino_t ino, /* starting inode of chunk */ | ||
164 | __int32_t fcnt, /* free inode count */ | ||
165 | xfs_inofree_t free, /* free inode mask */ | ||
166 | int *stat) /* success/failure */ | ||
167 | { | ||
168 | cur->bc_rec.i.ir_startino = ino; | ||
169 | cur->bc_rec.i.ir_freecount = fcnt; | ||
170 | cur->bc_rec.i.ir_free = free; | ||
171 | return xfs_btree_lookup(cur, XFS_LOOKUP_LE, stat); | ||
172 | } | ||
173 | |||
174 | /* | ||
122 | * Allocate new inodes in the allocation group specified by agbp. | 175 | * Allocate new inodes in the allocation group specified by agbp. |
123 | * Return 0 for success, else error code. | 176 | * Return 0 for success, else error code. |
124 | */ | 177 | */ |