diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext2/super.c | 33 | ||||
| -rw-r--r-- | fs/ext2/xip.c | 12 | ||||
| -rw-r--r-- | fs/ext2/xip.h | 2 |
3 files changed, 12 insertions, 35 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index ae55fddc26a9..83c5d51b8ede 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -877,9 +877,6 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); - ext2_xip_verify_sb(sb); /* see if bdev supports xip, unset - EXT2_MOUNT_XIP if not */ - if (le32_to_cpu(es->s_rev_level) == EXT2_GOOD_OLD_REV && (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || @@ -909,11 +906,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); - if (ext2_use_xip(sb) && blocksize != PAGE_SIZE) { - if (!silent) + if (sbi->s_mount_opt & EXT2_MOUNT_XIP) { + if (blocksize != PAGE_SIZE) { ext2_msg(sb, KERN_ERR, - "error: unsupported blocksize for xip"); - goto failed_mount; + "error: unsupported blocksize for xip"); + goto failed_mount; + } + if (!sb->s_bdev->bd_disk->fops->direct_access) { + ext2_msg(sb, KERN_ERR, + "error: device does not support xip"); + goto failed_mount; + } } /* If the blocksize doesn't match, re-read the thing.. */ @@ -1259,7 +1262,6 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) { struct ext2_sb_info * sbi = EXT2_SB(sb); struct ext2_super_block * es; - unsigned long old_mount_opt = sbi->s_mount_opt; struct ext2_mount_options old_opts; unsigned long old_sb_flags; int err; @@ -1284,22 +1286,11 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0); - ext2_xip_verify_sb(sb); /* see if bdev supports xip, unset - EXT2_MOUNT_XIP if not */ - - if ((ext2_use_xip(sb)) && (sb->s_blocksize != PAGE_SIZE)) { - ext2_msg(sb, KERN_WARNING, - "warning: unsupported blocksize for xip"); - err = -EINVAL; - goto restore_opts; - } - es = sbi->s_es; - if ((sbi->s_mount_opt ^ old_mount_opt) & EXT2_MOUNT_XIP) { + if ((sbi->s_mount_opt ^ old_opts.s_mount_opt) & EXT2_MOUNT_XIP) { ext2_msg(sb, KERN_WARNING, "warning: refusing change of " "xip flag with busy inodes while remounting"); - sbi->s_mount_opt &= ~EXT2_MOUNT_XIP; - sbi->s_mount_opt |= old_mount_opt & EXT2_MOUNT_XIP; + sbi->s_mount_opt ^= EXT2_MOUNT_XIP; } if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { spin_unlock(&sbi->s_lock); diff --git a/fs/ext2/xip.c b/fs/ext2/xip.c index 132d4daf98c4..66ca1133827e 100644 --- a/fs/ext2/xip.c +++ b/fs/ext2/xip.c @@ -13,15 +13,3 @@ #include "ext2.h" #include "xip.h" -void ext2_xip_verify_sb(struct super_block *sb) -{ - struct ext2_sb_info *sbi = EXT2_SB(sb); - - if ((sbi->s_mount_opt & EXT2_MOUNT_XIP) && - !sb->s_bdev->bd_disk->fops->direct_access) { - sbi->s_mount_opt &= (~EXT2_MOUNT_XIP); - ext2_msg(sb, KERN_WARNING, - "warning: ignoring xip option - " - "not supported by bdev"); - } -} diff --git a/fs/ext2/xip.h b/fs/ext2/xip.h index e7b9f0a2cc54..87eeb0460e8c 100644 --- a/fs/ext2/xip.h +++ b/fs/ext2/xip.h @@ -6,13 +6,11 @@ */ #ifdef CONFIG_EXT2_FS_XIP -extern void ext2_xip_verify_sb (struct super_block *); static inline int ext2_use_xip (struct super_block *sb) { struct ext2_sb_info *sbi = EXT2_SB(sb); return (sbi->s_mount_opt & EXT2_MOUNT_XIP); } #else -#define ext2_xip_verify_sb(sb) do { } while (0) #define ext2_use_xip(sb) 0 #endif |