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coda: remove struct coda_sb_info
The sb_info structure only contains a single pointer to the character device, there is no need for the added indirection. Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jan Harkes
Linus Torvalds
parent
5fd31e9a67
commit
a1b0aa8764
4 changed files with 49 additions and 76 deletions
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@ -49,11 +49,6 @@ void coda_cache_clear_inode(struct inode *inode)
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/* remove all acl caches */
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void coda_cache_clear_all(struct super_block *sb)
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{
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struct coda_sb_info *sbi;
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sbi = coda_sbp(sb);
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BUG_ON(!sbi);
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atomic_inc(&permission_epoch);
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}
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@ -141,11 +141,10 @@ static int get_device_index(struct coda_mount_data *data)
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static int coda_fill_super(struct super_block *sb, void *data, int silent)
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{
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struct inode *root = NULL;
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struct coda_sb_info *sbi = NULL;
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struct inode *root = NULL;
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struct venus_comm *vc = NULL;
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struct CodaFid fid;
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int error;
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int error;
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int idx;
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idx = get_device_index((struct coda_mount_data *) data);
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@ -167,16 +166,9 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
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return -EBUSY;
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}
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sbi = kmalloc(sizeof(struct coda_sb_info), GFP_KERNEL);
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if(!sbi) {
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return -ENOMEM;
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}
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vc->vc_sb = sb;
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sbi->sbi_vcomm = vc;
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sb->s_fs_info = sbi;
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sb->s_fs_info = vc;
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sb->s_flags |= MS_NOATIME;
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sb->s_blocksize = 4096; /* XXXXX what do we put here?? */
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sb->s_blocksize_bits = 12;
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@ -207,26 +199,20 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent)
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return 0;
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error:
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if (sbi) {
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kfree(sbi);
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if(vc)
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vc->vc_sb = NULL;
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}
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if (root)
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iput(root);
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iput(root);
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if (vc)
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vc->vc_sb = NULL;
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return -EINVAL;
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return -EINVAL;
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}
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static void coda_put_super(struct super_block *sb)
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{
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struct coda_sb_info *sbi;
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sbi = coda_sbp(sb);
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sbi->sbi_vcomm->vc_sb = NULL;
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coda_vcp(sb)->vc_sb = NULL;
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sb->s_fs_info = NULL;
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printk("Coda: Bye bye.\n");
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kfree(sbi);
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}
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static void coda_clear_inode(struct inode *inode)
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@ -37,7 +37,7 @@
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#include <linux/coda_cache.h>
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#include <linux/coda_proc.h>
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static int coda_upcall(struct coda_sb_info *mntinfo, int inSize, int *outSize,
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static int coda_upcall(struct venus_comm *vc, int inSize, int *outSize,
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union inputArgs *buffer);
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static void *alloc_upcall(int opcode, int size)
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@ -83,7 +83,7 @@ int venus_rootfid(struct super_block *sb, struct CodaFid *fidp)
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insize = SIZE(root);
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UPARG(CODA_ROOT);
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error)
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*fidp = outp->coda_root.VFid;
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@ -102,7 +102,7 @@ int venus_getattr(struct super_block *sb, struct CodaFid *fid,
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UPARG(CODA_GETATTR);
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inp->coda_getattr.VFid = *fid;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error)
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*attr = outp->coda_getattr.attr;
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@ -123,7 +123,7 @@ int venus_setattr(struct super_block *sb, struct CodaFid *fid,
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inp->coda_setattr.VFid = *fid;
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inp->coda_setattr.attr = *vattr;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -149,7 +149,7 @@ int venus_lookup(struct super_block *sb, struct CodaFid *fid,
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memcpy((char *)(inp) + offset, name, length);
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*((char *)inp + offset + length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error) {
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*resfid = outp->coda_lookup.VFid;
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*type = outp->coda_lookup.vtype;
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@ -182,7 +182,7 @@ int venus_store(struct super_block *sb, struct CodaFid *fid, int flags,
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inp->coda_store.VFid = *fid;
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inp->coda_store.flags = flags;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -200,7 +200,7 @@ int venus_release(struct super_block *sb, struct CodaFid *fid, int flags)
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inp->coda_release.VFid = *fid;
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inp->coda_release.flags = flags;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -229,7 +229,7 @@ int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
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inp->coda_close.VFid = *fid;
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inp->coda_close.flags = flags;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -248,7 +248,7 @@ int venus_open(struct super_block *sb, struct CodaFid *fid,
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inp->coda_open_by_fd.VFid = *fid;
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inp->coda_open_by_fd.flags = flags;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error)
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*fh = outp->coda_open_by_fd.fh;
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@ -276,7 +276,7 @@ int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
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memcpy((char *)(inp) + offset, name, length);
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*((char *)inp + offset + length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error) {
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*attrs = outp->coda_mkdir.attr;
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*newfid = outp->coda_mkdir.VFid;
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@ -318,7 +318,7 @@ int venus_rename(struct super_block *sb, struct CodaFid *old_fid,
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memcpy((char *)(inp) + offset, new_name, new_length);
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*((char *)inp + offset + new_length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -347,7 +347,7 @@ int venus_create(struct super_block *sb, struct CodaFid *dirfid,
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memcpy((char *)(inp) + offset, name, length);
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*((char *)inp + offset + length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error) {
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*attrs = outp->coda_create.attr;
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*newfid = outp->coda_create.VFid;
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@ -373,8 +373,8 @@ int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
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inp->coda_rmdir.name = offset;
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memcpy((char *)(inp) + offset, name, length);
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*((char *)inp + offset + length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -395,8 +395,8 @@ int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
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inp->coda_remove.name = offset;
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memcpy((char *)(inp) + offset, name, length);
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*((char *)inp + offset + length) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -417,7 +417,7 @@ int venus_readlink(struct super_block *sb, struct CodaFid *fid,
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inp->coda_readlink.VFid = *fid;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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if (!error) {
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retlen = outp->coda_readlink.count;
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if ( retlen > *length )
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@ -453,8 +453,8 @@ int venus_link(struct super_block *sb, struct CodaFid *fid,
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/* make sure strings are null terminated */
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memcpy((char *)(inp) + offset, name, len);
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*((char *)inp + offset + len) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -489,7 +489,7 @@ int venus_symlink(struct super_block *sb, struct CodaFid *fid,
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memcpy((char *)(inp) + offset, name, len);
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*((char *)inp + offset + len) = '\0';
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -504,9 +504,9 @@ int venus_fsync(struct super_block *sb, struct CodaFid *fid)
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insize=SIZE(fsync);
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UPARG(CODA_FSYNC);
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inp->coda_fsync.VFid = *fid;
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error = coda_upcall(coda_sbp(sb), sizeof(union inputArgs),
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&outsize, inp);
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inp->coda_fsync.VFid = *fid;
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error = coda_upcall(coda_vcp(sb), sizeof(union inputArgs),
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&outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -524,7 +524,7 @@ int venus_access(struct super_block *sb, struct CodaFid *fid, int mask)
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inp->coda_access.VFid = *fid;
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inp->coda_access.flags = mask;
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error = coda_upcall(coda_sbp(sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(sb), insize, &outsize, inp);
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CODA_FREE(inp, insize);
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return error;
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@ -573,9 +573,9 @@ int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
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goto exit;
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}
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error = coda_upcall(coda_sbp(sb), SIZE(ioctl) + data->vi.in_size,
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&outsize, inp);
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error = coda_upcall(coda_vcp(sb), SIZE(ioctl) + data->vi.in_size,
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&outsize, inp);
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if (error) {
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printk("coda_pioctl: Venus returns: %d for %s\n",
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error, coda_f2s(fid));
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@ -615,7 +615,7 @@ int venus_statfs(struct dentry *dentry, struct kstatfs *sfs)
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insize = max_t(unsigned int, INSIZE(statfs), OUTSIZE(statfs));
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UPARG(CODA_STATFS);
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error = coda_upcall(coda_sbp(dentry->d_sb), insize, &outsize, inp);
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error = coda_upcall(coda_vcp(dentry->d_sb), insize, &outsize, inp);
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if (!error) {
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sfs->f_blocks = outp->coda_statfs.stat.f_blocks;
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sfs->f_bfree = outp->coda_statfs.stat.f_bfree;
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@ -710,28 +710,25 @@ static inline void coda_waitfor_upcall(struct upc_req *req)
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}
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/*
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* coda_upcall will return an error in the case of
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/*
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* coda_upcall will return an error in the case of
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* failed communication with Venus _or_ will peek at Venus
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* reply and return Venus' error.
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*
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* As venus has 2 types of errors, normal errors (positive) and internal
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* errors (negative), normal errors are negated, while internal errors
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* are all mapped to -EINTR, while showing a nice warning message. (jh)
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*
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*/
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static int coda_upcall(struct coda_sb_info *sbi,
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static int coda_upcall(struct venus_comm *vcp,
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int inSize, int *outSize,
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union inputArgs *buffer)
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{
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struct venus_comm *vcommp;
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union outputArgs *out;
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union inputArgs *sig_inputArgs;
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struct upc_req *req, *sig_req;
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int error = 0;
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vcommp = sbi->sbi_vcomm;
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if (!vcommp->vc_inuse) {
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if (!vcp->vc_inuse) {
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printk(KERN_NOTICE "coda: Venus dead, not sending upcall\n");
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return -ENXIO;
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}
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@ -746,16 +743,16 @@ static int coda_upcall(struct coda_sb_info *sbi,
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req->uc_inSize = inSize;
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req->uc_outSize = *outSize ? *outSize : inSize;
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req->uc_opcode = ((union inputArgs *)buffer)->ih.opcode;
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req->uc_unique = ++vcommp->vc_seq;
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req->uc_unique = ++vcp->vc_seq;
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init_waitqueue_head(&req->uc_sleep);
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/* Fill in the common input args. */
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((union inputArgs *)buffer)->ih.unique = req->uc_unique;
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/* Append msg to pending queue and poke Venus. */
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list_add_tail(&req->uc_chain, &vcommp->vc_pending);
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list_add_tail(&req->uc_chain, &vcp->vc_pending);
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wake_up_interruptible(&vcommp->vc_waitq);
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wake_up_interruptible(&vcp->vc_waitq);
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/* We can be interrupted while we wait for Venus to process
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* our request. If the interrupt occurs before Venus has read
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* the request, we dequeue and return. If it occurs after the
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@ -788,7 +785,7 @@ static int coda_upcall(struct coda_sb_info *sbi,
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goto exit;
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/* Venus saw the upcall, make sure we can send interrupt signal */
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if (!vcommp->vc_inuse) {
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if (!vcp->vc_inuse) {
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printk(KERN_INFO "coda: Venus dead, not sending signal.\n");
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goto exit;
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}
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@ -815,8 +812,8 @@ static int coda_upcall(struct coda_sb_info *sbi,
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sig_req->uc_outSize = sizeof(struct coda_in_hdr);
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/* insert at head of queue! */
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list_add(&(sig_req->uc_chain), &vcommp->vc_pending);
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wake_up_interruptible(&vcommp->vc_waitq);
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list_add(&(sig_req->uc_chain), &vcp->vc_pending);
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wake_up_interruptible(&vcp->vc_waitq);
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exit:
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kfree(req);
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@ -8,11 +8,6 @@
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struct kstatfs;
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struct coda_sb_info
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{
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struct venus_comm *sbi_vcomm;
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};
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/* communication pending/processing queues */
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struct venus_comm {
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u_long vc_seq;
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@ -24,9 +19,9 @@ struct venus_comm {
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};
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static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
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static inline struct venus_comm *coda_vcp(struct super_block *sb)
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{
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return ((struct coda_sb_info *)((sb)->s_fs_info));
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return (struct venus_comm *)((sb)->s_fs_info);
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}
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