lib/libufs/cgroup.c

38 #include <ufs/ffs/fs.h>
54 	struct fs *fs;
57 	fs = &disk->d_fs;
60 	for (bno = 0; bno < fs->fs_fpg / fs->fs_frag; bno++)
61 		if (ffs_isblock(fs, blksfree, bno))
65 	fs->fs_cs(fs, cgp->cg_cgx).cs_nbfree--;
66 	ffs_clrblock(fs, blksfree, (long)bno);
67 	ffs_clusteracct(fs, cgp, bno, -1);
69 	fs->fs_cstotal.cs_nbfree--;
70 	fs->fs_fmod = 1;
71 	return (cgbase(fs, cgp->cg_cgx) + blkstofrags(fs, bno));
78 	struct fs *fs;
83 	fs = &disk->d_fs;
84 	cg = dtog(fs, bno);
88 	cgbno = dtogd(fs, bno);
90 	if (size == fs->fs_bsize) {
91 		fragno = fragstoblks(fs, cgbno);
92 		ffs_setblock(fs, blksfree, fragno);
93 		ffs_clusteracct(fs, cgp, fragno, 1);
95 		fs->fs_cstotal.cs_nbfree++;
96 		fs->fs_cs(fs, cg).cs_nbfree++;
98 		bbase = cgbno - fragnum(fs, cgbno);
102 		blk = blkmap(fs, blksfree, bbase);
103 		ffs_fragacct(fs, blk, cgp->cg_frsum, -1);
107 		frags = numfrags(fs, size);
111 		fs->fs_cstotal.cs_nffree += i;
112 		fs->fs_cs(fs, cg).cs_nffree += i;
116 		blk = blkmap(fs, blksfree, bbase);
117 		ffs_fragacct(fs, blk, cgp->cg_frsum, 1);
121 		fragno = fragstoblks(fs, bbase);
122 		if (ffs_isblock(fs, blksfree, fragno)) {
123 			cgp->cg_cs.cs_nffree -= fs->fs_frag;
124 			fs->fs_cstotal.cs_nffree -= fs->fs_frag;
125 			fs->fs_cs(fs, cg).cs_nffree -= fs->fs_frag;
126 			ffs_clusteracct(fs, cgp, fragno, 1);
128 			fs->fs_cstotal.cs_nbfree++;
129 			fs->fs_cs(fs, cg).cs_nbfree++;
141 	struct fs *fs;
145 	fs = &disk->d_fs;
148 	for (ino = 0; ino < fs->fs_ipg; ino++)
153 	if (fs->fs_magic == FS_UFS2_MAGIC &&
154 	    ino + INOPB(fs) > cgp->cg_initediblk &&
157 		bzero(block, (int)fs->fs_bsize);
159 		for (i = 0; i < INOPB(fs); i++) {
163 		if (bwrite(disk, ino_to_fsba(fs,
164 		    cgp->cg_cgx * fs->fs_ipg + cgp->cg_initediblk),
165 		    block, fs->fs_bsize))
167 		cgp->cg_initediblk += INOPB(fs);
173 	fs->fs_cstotal.cs_nifree--;
174 	fs->fs_cs(fs, cgp->cg_cgx).cs_nifree--;
175 	fs->fs_fmod = 1;
177 	return (ino + (cgp->cg_cgx * fs->fs_ipg));
189 	struct fs *fs;
191 	fs = &disk->d_fs;
193 	if ((unsigned)c >= fs->fs_ncg) {
196 	if (bread(disk, fsbtodb(fs, cgtod(fs, c)), disk->d_cgunion.d_buf,
197 	    fs->fs_bsize) == -1) {
214 	struct fs *fs;
216 	fs = &disk->d_fs;
217 	if (bwrite(disk, fsbtodb(fs, cgtod(fs, c)),
218 	    disk->d_cgunion.d_buf, fs->fs_bsize) == -1) {