diff options
Diffstat (limited to 'fs/autofs/root.c')
-rw-r--r-- | fs/autofs/root.c | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/fs/autofs/root.c b/fs/autofs/root.c index f2597205939..6fa04dd6d16 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -67,8 +67,8 @@ static int autofs_root_readdir(struct file *filp, void *dirent, filldir_t filldi filp->f_pos = ++nr; /* fall through */ default: - while ( onr = nr, ent = autofs_hash_enum(dirhash,&nr,ent) ) { - if ( !ent->dentry || d_mountpoint(ent->dentry) ) { + while (onr = nr, ent = autofs_hash_enum(dirhash,&nr,ent)) { + if (!ent->dentry || d_mountpoint(ent->dentry)) { if (filldir(dirent,ent->name,ent->len,onr,ent->ino,DT_UNKNOWN) < 0) goto out; filp->f_pos = nr; @@ -88,10 +88,10 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str struct autofs_dir_ent *ent; int status = 0; - if ( !(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)) ) { + if (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name))) { do { - if ( status && dentry->d_inode ) { - if ( status != -ENOENT ) + if (status && dentry->d_inode) { + if (status != -ENOENT) printk("autofs warning: lookup failure on positive dentry, status = %d, name = %s\n", status, dentry->d_name.name); return 0; /* Try to get the kernel to invalidate this dentry */ } @@ -106,7 +106,7 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str return 1; } status = autofs_wait(sbi, &dentry->d_name); - } while (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name)) ); + } while (!(ent = autofs_hash_lookup(&sbi->dirhash, &dentry->d_name))); } /* Abuse this field as a pointer to the directory entry, used to @@ -124,13 +124,13 @@ static int try_to_fill_dentry(struct dentry *dentry, struct super_block *sb, str /* If this is a directory that isn't a mount point, bitch at the daemon and fix it in user space */ - if ( S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry) ) { + if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) { return !autofs_wait(sbi, &dentry->d_name); } /* We don't update the usages for the autofs daemon itself, this is necessary for recursive autofs mounts */ - if ( !autofs_oz_mode(sbi) ) { + if (!autofs_oz_mode(sbi)) { autofs_update_usage(&sbi->dirhash,ent); } @@ -157,7 +157,7 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd) sbi = autofs_sbi(dir->i_sb); /* Pending dentry */ - if ( dentry->d_flags & DCACHE_AUTOFS_PENDING ) { + if (dentry->d_flags & DCACHE_AUTOFS_PENDING) { if (autofs_oz_mode(sbi)) res = 1; else @@ -173,7 +173,7 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd) } /* Check for a non-mountpoint directory */ - if ( S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry) ) { + if (S_ISDIR(dentry->d_inode->i_mode) && !d_mountpoint(dentry)) { if (autofs_oz_mode(sbi)) res = 1; else @@ -183,9 +183,9 @@ static int autofs_revalidate(struct dentry * dentry, struct nameidata *nd) } /* Update the usage list */ - if ( !autofs_oz_mode(sbi) ) { + if (!autofs_oz_mode(sbi)) { ent = (struct autofs_dir_ent *) dentry->d_time; - if ( ent ) + if (ent) autofs_update_usage(&sbi->dirhash,ent); } unlock_kernel(); @@ -258,7 +258,7 @@ static struct dentry *autofs_root_lookup(struct inode *dir, struct dentry *dentr * doesn't do the right thing for all system calls, but it should * be OK for the operations we permit from an autofs. */ - if ( dentry->d_inode && d_unhashed(dentry) ) + if (dentry->d_inode && d_unhashed(dentry)) return ERR_PTR(-ENOENT); return NULL; @@ -277,18 +277,18 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c autofs_say(dentry->d_name.name,dentry->d_name.len); lock_kernel(); - if ( !autofs_oz_mode(sbi) ) { + if (!autofs_oz_mode(sbi)) { unlock_kernel(); return -EACCES; } - if ( autofs_hash_lookup(dh, &dentry->d_name) ) { + if (autofs_hash_lookup(dh, &dentry->d_name)) { unlock_kernel(); return -EEXIST; } n = find_first_zero_bit(sbi->symlink_bitmap,AUTOFS_MAX_SYMLINKS); - if ( n >= AUTOFS_MAX_SYMLINKS ) { + if (n >= AUTOFS_MAX_SYMLINKS) { unlock_kernel(); return -ENOSPC; } @@ -297,14 +297,14 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c sl = &sbi->symlink[n]; sl->len = strlen(symname); sl->data = kmalloc(slsize = sl->len+1, GFP_KERNEL); - if ( !sl->data ) { + if (!sl->data) { clear_bit(n,sbi->symlink_bitmap); unlock_kernel(); return -ENOSPC; } ent = kmalloc(sizeof(struct autofs_dir_ent), GFP_KERNEL); - if ( !ent ) { + if (!ent) { kfree(sl->data); clear_bit(n,sbi->symlink_bitmap); unlock_kernel(); @@ -312,7 +312,7 @@ static int autofs_root_symlink(struct inode *dir, struct dentry *dentry, const c } ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL); - if ( !ent->name ) { + if (!ent->name) { kfree(sl->data); kfree(ent); clear_bit(n,sbi->symlink_bitmap); @@ -354,23 +354,23 @@ static int autofs_root_unlink(struct inode *dir, struct dentry *dentry) /* This allows root to remove symlinks */ lock_kernel(); - if ( !autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) ) { + if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN)) { unlock_kernel(); return -EACCES; } ent = autofs_hash_lookup(dh, &dentry->d_name); - if ( !ent ) { + if (!ent) { unlock_kernel(); return -ENOENT; } n = ent->ino - AUTOFS_FIRST_SYMLINK; - if ( n >= AUTOFS_MAX_SYMLINKS ) { + if (n >= AUTOFS_MAX_SYMLINKS) { unlock_kernel(); return -EISDIR; /* It's a directory, dummy */ } - if ( !test_bit(n,sbi->symlink_bitmap) ) { + if (!test_bit(n,sbi->symlink_bitmap)) { unlock_kernel(); return -EINVAL; /* Nonexistent symlink? Shouldn't happen */ } @@ -392,23 +392,23 @@ static int autofs_root_rmdir(struct inode *dir, struct dentry *dentry) struct autofs_dir_ent *ent; lock_kernel(); - if ( !autofs_oz_mode(sbi) ) { + if (!autofs_oz_mode(sbi)) { unlock_kernel(); return -EACCES; } ent = autofs_hash_lookup(dh, &dentry->d_name); - if ( !ent ) { + if (!ent) { unlock_kernel(); return -ENOENT; } - if ( (unsigned int)ent->ino < AUTOFS_FIRST_DIR_INO ) { + if ((unsigned int)ent->ino < AUTOFS_FIRST_DIR_INO) { unlock_kernel(); return -ENOTDIR; /* Not a directory */ } - if ( ent->dentry != dentry ) { + if (ent->dentry != dentry) { printk("autofs_rmdir: odentry != dentry for entry %s\n", dentry->d_name.name); } @@ -429,18 +429,18 @@ static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode) ino_t ino; lock_kernel(); - if ( !autofs_oz_mode(sbi) ) { + if (!autofs_oz_mode(sbi)) { unlock_kernel(); return -EACCES; } ent = autofs_hash_lookup(dh, &dentry->d_name); - if ( ent ) { + if (ent) { unlock_kernel(); return -EEXIST; } - if ( sbi->next_dir_ino < AUTOFS_FIRST_DIR_INO ) { + if (sbi->next_dir_ino < AUTOFS_FIRST_DIR_INO) { printk("autofs: Out of inode numbers -- what the heck did you do??\n"); unlock_kernel(); return -ENOSPC; @@ -448,13 +448,13 @@ static int autofs_root_mkdir(struct inode *dir, struct dentry *dentry, int mode) ino = sbi->next_dir_ino++; ent = kmalloc(sizeof(struct autofs_dir_ent), GFP_KERNEL); - if ( !ent ) { + if (!ent) { unlock_kernel(); return -ENOSPC; } ent->name = kmalloc(dentry->d_name.len+1, GFP_KERNEL); - if ( !ent->name ) { + if (!ent->name) { kfree(ent); unlock_kernel(); return -ENOSPC; @@ -483,7 +483,7 @@ static inline int autofs_get_set_timeout(struct autofs_sb_info *sbi, put_user(sbi->exp_timeout / HZ, p)) return -EFAULT; - if ( ntimeout > ULONG_MAX/HZ ) + if (ntimeout > ULONG_MAX/HZ) sbi->exp_timeout = 0; else sbi->exp_timeout = ntimeout * HZ; @@ -511,15 +511,14 @@ static inline int autofs_expire_run(struct super_block *sb, pkt.hdr.proto_version = AUTOFS_PROTO_VERSION; pkt.hdr.type = autofs_ptype_expire; - if ( !sbi->exp_timeout || - !(ent = autofs_expire(sb,sbi,mnt)) ) + if (!sbi->exp_timeout || !(ent = autofs_expire(sb,sbi,mnt))) return -EAGAIN; pkt.len = ent->len; memcpy(pkt.name, ent->name, pkt.len); pkt.name[pkt.len] = '\0'; - if ( copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire)) ) + if (copy_to_user(pkt_p, &pkt, sizeof(struct autofs_packet_expire))) return -EFAULT; return 0; @@ -537,11 +536,11 @@ static int autofs_root_ioctl(struct inode *inode, struct file *filp, DPRINTK(("autofs_ioctl: cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u\n",cmd,arg,sbi,process_group(current))); - if ( _IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) || - _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT ) + if (_IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) || + _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT) return -ENOTTY; - if ( !autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN) ) + if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN)) return -EPERM; switch(cmd) { |