diff options
59 files changed, 691 insertions, 711 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index fc35406fc80..3f1d771c8be 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -33,7 +33,6 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/poll.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/moduleparam.h> diff --git a/fs/adfs/super.c b/fs/adfs/super.c index 4a3af7075c1..d9803f73236 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -352,11 +352,15 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) struct adfs_sb_info *asb; struct inode *root; + lock_kernel(); + sb->s_flags |= MS_NODIRATIME; asb = kzalloc(sizeof(*asb), GFP_KERNEL); - if (!asb) + if (!asb) { + unlock_kernel(); return -ENOMEM; + } sb->s_fs_info = asb; /* set default options */ @@ -474,6 +478,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) goto error; } else sb->s_root->d_op = &adfs_dentry_operations; + unlock_kernel(); return 0; error_free_bh: @@ -481,6 +486,7 @@ error_free_bh: error: sb->s_fs_info = NULL; kfree(asb); + unlock_kernel(); return -EINVAL; } diff --git a/fs/affs/super.c b/fs/affs/super.c index 9581ea94d5a..fa4fbe1e238 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -16,7 +16,6 @@ #include <linux/parser.h> #include <linux/magic.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include "affs.h" @@ -46,8 +45,6 @@ affs_put_super(struct super_block *sb) struct affs_sb_info *sbi = AFFS_SB(sb); pr_debug("AFFS: put_super()\n"); - lock_kernel(); - if (!(sb->s_flags & MS_RDONLY) && sb->s_dirt) affs_commit_super(sb, 1, 1); @@ -56,8 +53,6 @@ affs_put_super(struct super_block *sb) affs_brelse(sbi->s_root_bh); kfree(sbi); sb->s_fs_info = NULL; - - unlock_kernel(); } static void @@ -302,6 +297,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); @@ -527,7 +523,7 @@ affs_remount(struct super_block *sb, int *flags, char *data) kfree(new_opts); return -EINVAL; } - lock_kernel(); + replace_mount_options(sb, new_opts); sbi->s_flags = mount_flags; @@ -543,17 +539,15 @@ affs_remount(struct super_block *sb, int *flags, char *data) memcpy(sbi->s_volume, volume, 32); spin_unlock(&sbi->symlink_lock); - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { - unlock_kernel(); + if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) return 0; - } + if (*flags & MS_RDONLY) { affs_write_super(sb); affs_free_bitmap(sb); } else res = affs_init_bitmap(sb, flags); - unlock_kernel(); return res; } diff --git a/fs/afs/flock.c b/fs/afs/flock.c index 0931bc1325e..757d664575d 100644 --- a/fs/afs/flock.c +++ b/fs/afs/flock.c @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/smp_lock.h> #include "internal.h" #define AFS_LOCK_GRANTED 0 @@ -274,7 +273,7 @@ static int afs_do_setlk(struct file *file, struct file_lock *fl) type = (fl->fl_type == F_RDLCK) ? AFS_LOCK_READ : AFS_LOCK_WRITE; - lock_kernel(); + lock_flocks(); /* make sure we've got a callback on this file and that our view of the * data version is up to date */ @@ -421,7 +420,7 @@ given_lock: afs_vnode_fetch_status(vnode, NULL, key); error: - unlock_kernel(); + unlock_flocks(); _leave(" = %d", ret); return ret; diff --git a/fs/afs/super.c b/fs/afs/super.c index 77e1e5a6115..eacf76d98ae 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -19,7 +19,6 @@ #include <linux/mount.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/parser.h> @@ -453,12 +452,8 @@ static void afs_put_super(struct super_block *sb) _enter(""); - lock_kernel(); - afs_put_volume(as->volume); - unlock_kernel(); - _leave(""); } diff --git a/fs/autofs/root.c b/fs/autofs/root.c index 11b1ea786d0..0c4ca81aeae 100644 --- a/fs/autofs/root.c +++ b/fs/autofs/root.c @@ -27,7 +27,9 @@ static int autofs_root_unlink(struct inode *,struct dentry *); static int autofs_root_rmdir(struct inode *,struct dentry *); static int autofs_root_mkdir(struct inode *,struct dentry *,int); static long autofs_root_ioctl(struct file *,unsigned int,unsigned long); +#ifdef CONFIG_COMPAT static long autofs_root_compat_ioctl(struct file *,unsigned int,unsigned long); +#endif const struct file_operations autofs_root_operations = { .llseek = generic_file_llseek, diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index cb1bd38dc08..d5c1401f003 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -19,7 +19,7 @@ #include <linux/param.h> #include <linux/time.h> #include <linux/compat.h> -#include <linux/smp_lock.h> +#include <linux/mutex.h> #include "autofs_i.h" @@ -28,7 +28,9 @@ static int autofs4_dir_unlink(struct inode *,struct dentry *); static int autofs4_dir_rmdir(struct inode *,struct dentry *); static int autofs4_dir_mkdir(struct inode *,struct dentry *,int); static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long); +#ifdef CONFIG_COMPAT static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long); +#endif static int autofs4_dir_open(struct inode *inode, struct file *file); static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *); static void *autofs4_follow_link(struct dentry *, struct nameidata *); @@ -978,15 +980,17 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp, } } +static DEFINE_MUTEX(autofs4_ioctl_mutex); + static long autofs4_root_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { long ret; struct inode *inode = filp->f_dentry->d_inode; - lock_kernel(); + mutex_lock(&autofs4_ioctl_mutex); ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); - unlock_kernel(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } @@ -998,13 +1002,13 @@ static long autofs4_root_compat_ioctl(struct file *filp, struct inode *inode = filp->f_path.dentry->d_inode; int ret; - lock_kernel(); + mutex_lock(&autofs4_ioctl_mutex); if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL) ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, arg); else ret = autofs4_root_ioctl_unlocked(inode, filp, cmd, (unsigned long)compat_ptr(arg)); - unlock_kernel(); + mutex_unlock(&autofs4_ioctl_mutex); return ret; } diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index c4daf0f5fc0..883e77acd5a 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -12,7 +12,6 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/fs.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/writeback.h> @@ -215,14 +214,10 @@ static void bfs_put_super(struct super_block *s) if (!info) return; - lock_kernel(); - mutex_destroy(&info->bfs_lock); kfree(info->si_imap); kfree(info); s->s_fs_info = NULL; - - unlock_kernel(); } static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index b7431afdd76..50208c15309 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -35,7 +35,6 @@ #include <linux/delay.h> #include <linux/kthread.h> #include <linux/freezer.h> -#include <linux/smp_lock.h> #include "cifsfs.h" #include "cifspdu.h" #define DECLARE_GLOBALS_HERE @@ -200,8 +199,6 @@ cifs_put_super(struct super_block *sb) return; } - lock_kernel(); - rc = cifs_umount(sb, cifs_sb); if (rc) cERROR(1, "cifs_umount failed with return code %d", rc); @@ -215,8 +212,6 @@ cifs_put_super(struct super_block *sb) unload_nls(cifs_sb->local_nls); bdi_destroy(&cifs_sb->bdi); kfree(cifs_sb); - - unlock_kernel(); } static int @@ -514,7 +509,9 @@ cifs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, struct vfsmount *mnt) { int rc; - struct super_block *sb = sget(fs_type, NULL, set_anon_super, NULL); + struct super_block *sb; + + sb = sget(fs_type, NULL, set_anon_super, NULL); cFYI(1, "Devname: %s flags: %d ", dev_name, flags); @@ -565,8 +562,8 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin) static int cifs_setlease(struct file *file, long arg, struct file_lock **lease) { - /* note that this is called by vfs setlease with the BKL held - although I doubt that BKL is needed here in cifs */ + /* note that this is called by vfs setlease with lock_flocks held + to protect *lease from going away */ struct inode *inode = file->f_path.dentry->d_inode; if (!(S_ISREG(inode->i_mode))) diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 6526e6f21ec..bfe8179b129 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -148,6 +148,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) int error; int idx; + lock_kernel(); + idx = get_device_index((struct coda_mount_data *) data); /* Ignore errors in data, for backward compatibility */ @@ -159,11 +161,13 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) vc = &coda_comms[idx]; if (!vc->vc_inuse) { printk("coda_read_super: No pseudo device\n"); + unlock_kernel(); return -EINVAL; } if ( vc->vc_sb ) { printk("coda_read_super: Device already mounted\n"); + unlock_kernel(); return -EBUSY; } @@ -202,7 +206,8 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) sb->s_root = d_alloc_root(root); if (!sb->s_root) goto error; - return 0; + unlock_kernel(); + return 0; error: bdi_destroy(&vc->bdi); @@ -212,6 +217,7 @@ static int coda_fill_super(struct super_block *sb, void *data, int silent) if (vc) vc->vc_sb = NULL; + unlock_kernel(); return -EINVAL; } diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 622c9514080..2b9a644b758 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -31,7 +31,6 @@ #include <linux/security.h> #include <linux/compat.h> #include <linux/fs_stack.h> -#include <linux/smp_lock.h> #include "ecryptfs_kernel.h" /** @@ -284,11 +283,9 @@ static int ecryptfs_fasync(int fd, struct file *file, int flag) int rc = 0; struct file *lower_file = NULL; - lock_kernel(); lower_file = ecryptfs_file_to_lower(file); if (lower_file->f_op && lower_file->f_op->fasync) rc = lower_file->f_op->fasync(fd, lower_file, flag); - unlock_kernel(); return rc; } diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 1ec602673ea..85df87d0f7b 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -747,15 +747,16 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) __le32 features; int err; + err = -ENOMEM; sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - return -ENOMEM; + goto failed_unlock; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - return -ENOMEM; + goto failed_unlock; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; @@ -1107,6 +1108,7 @@ failed_sbi: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); +failed_unlock: return ret; } diff --git a/fs/ext3/super.c b/fs/ext3/super.c index a367dd04428..37776800910 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -411,9 +411,6 @@ static void ext3_put_super (struct super_block * sb) int i, err; dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); - - lock_kernel(); - ext3_xattr_put_super(sb); err = journal_destroy(sbi->s_journal); sbi->s_journal = NULL; @@ -462,8 +459,6 @@ static void ext3_put_super (struct super_block * sb) sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - - unlock_kernel(); } static struct kmem_cache *ext3_inode_cachep; @@ -1627,8 +1622,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) sbi->s_resgid = EXT3_DEF_RESGID; sbi->s_sb_block = sb_block; - unlock_kernel(); - blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE); if (!blocksize) { ext3_msg(sb, KERN_ERR, "error: unable to set blocksize"); @@ -2025,7 +2018,6 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) test_opt(sb,DATA_FLAGS) == EXT3_MOUNT_ORDERED_DATA ? "ordered": "writeback"); - lock_kernel(); return 0; cantfind_ext3: @@ -2055,7 +2047,6 @@ out_fail: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - lock_kernel(); return ret; } @@ -2538,8 +2529,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) int i; #endif - lock_kernel(); - /* Store the original options */ lock_super(sb); old_sb_flags = sb->s_flags; @@ -2648,7 +2637,6 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data) kfree(old_opts.s_qf_names[i]); #endif unlock_super(sb); - unlock_kernel(); if (enable_quota) dquot_resume(sb, -1); @@ -2669,7 +2657,6 @@ restore_opts: } #endif unlock_super(sb); - unlock_kernel(); return err; } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 7f47c366bf1..8ecc1e59030 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -26,7 +26,6 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/parser.h> -#include <linux/smp_lock.h> #include <linux/buffer_head.h> #include <linux/exportfs.h> #include <linux/vfs.h> @@ -708,7 +707,6 @@ static void ext4_put_super(struct super_block *sb) destroy_workqueue(sbi->dio_unwritten_wq); lock_super(sb); - lock_kernel(); if (sb->s_dirt) ext4_commit_super(sb, 1); @@ -775,7 +773,6 @@ static void ext4_put_super(struct super_block *sb) * Now that we are completely done shutting down the * superblock, we need to actually destroy the kobject. */ - unlock_kernel(); unlock_super(sb); kobject_put(&sbi->s_kobj); wait_for_completion(&sbi->s_kobj_unregister); @@ -2588,8 +2585,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sbi->s_sectors_written_start = part_stat_read(sb->s_bdev->bd_part, sectors[1]); - unlock_kernel(); - /* Cleanup superblock name */ for (cp = sb->s_id; (cp = strchr(cp, '/'));) *cp = '!'; @@ -3164,7 +3159,6 @@ no_journal: if (es->s_error_count) mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */ - lock_kernel(); kfree(orig_data); return 0; @@ -3211,7 +3205,6 @@ out_fail: sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); - lock_kernel(); out_free_orig: kfree(orig_data); return ret; @@ -3720,8 +3713,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) #endif char *orig_data = kstrdup(data, GFP_KERNEL); - lock_kernel(); - /* Store the original options */ lock_super(sb); old_sb_flags = sb->s_flags; @@ -3856,7 +3847,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) kfree(old_opts.s_qf_names[i]); #endif unlock_super(sb); - unlock_kernel(); if (enable_quota) dquot_resume(sb, -1); @@ -3882,7 +3872,6 @@ restore_opts: } #endif unlock_super(sb); - unlock_kernel(); kfree(orig_data); return err; } diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 830058057d3..ad6998a92c3 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -14,7 +14,6 @@ #include <linux/init.h> #include <linux/time.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/seq_file.h> #include <linux/pagemap.h> #include <linux/mpage.h> @@ -489,8 +488,6 @@ static void fat_put_super(struct super_block *sb) { struct msdos_sb_info *sbi = MSDOS_SB(sb); - lock_kernel(); - if (sb->s_dirt) fat_write_super(sb); @@ -504,8 +501,6 @@ static void fat_put_super(struct super_block *sb) sb->s_fs_info = NULL; kfree(sbi); - - unlock_kernel(); } static struct kmem_cache *fat_inode_cachep; diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index bbc94ae4fd7..bbca5c186ae 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -662,12 +662,16 @@ static int msdos_fill_super(struct super_block *sb, void *data, int silent) { int res; + lock_super(sb); res = fat_fill_super(sb, data, silent, &msdos_dir_inode_operations, 0); - if (res) + if (res) { + unlock_super(sb); return res; + } sb->s_flags |= MS_NOATIME; sb->s_root->d_op = &msdos_dentry_operations; + unlock_super(sb); return 0; } diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 6fcc7e71fba..6f0f6c9a015 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -1055,15 +1055,19 @@ static int vfat_fill_super(struct super_block *sb, void *data, int silent) { int res; + lock_super(sb); res = fat_fill_super(sb, data, silent, &vfat_dir_inode_operations, 1); - if (res) + if (res) { + unlock_super(sb); return res; + } if (MSDOS_SB(sb)->options.name_check != 's') sb->s_root->d_op = &vfat_ci_dentry_ops; else sb->s_root->d_op = &vfat_dentry_ops; + unlock_super(sb); return 0; } diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c index 0ec7bb2c95c..6c5131d592f 100644 --- a/fs/freevxfs/vxfs_lookup.c +++ b/fs/freevxfs/vxfs_lookup.c @@ -36,7 +36,6 @@ #include <linux/highmem.h> #include <linux/kernel.h> #include <linux/pagemap.h> -#include <linux/smp_lock.h> #include "vxfs.h" #include "vxfs_dir.h" @@ -212,16 +211,12 @@ vxfs_lookup(struct inode *dip, struct dentry *dp, struct nameidata *nd) if (dp->d_name.len > VXFS_NAMELEN) return ERR_PTR(-ENAMETOOLONG); - lock_kernel(); ino = vxfs_inode_by_name(dip, dp); if (ino) { ip = vxfs_iget(dip->i_sb, ino); - if (IS_ERR(ip)) { - unlock_kernel(); + if (IS_ERR(ip)) return ERR_CAST(ip); - } } - unlock_kernel(); d_add(dp, ip); return NULL; } @@ -248,8 +243,6 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler) u_long page, npages, block, pblocks, nblocks, offset; loff_t pos; - lock_kernel(); - switch ((long)fp->f_pos) { case 0: if (filler(retp, ".", 1, fp->f_pos, ip->i_ino, DT_DIR) < 0) @@ -265,10 +258,8 @@ vxfs_readdir(struct file *fp, void *retp, filldir_t filler) pos = fp->f_pos - 2; - if (pos > VXFS_DIRROUND(ip->i_size)) { |