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[PATCH] hfs: add HFSX support

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Add support for HFSX, which allows for case-sensitive filenames.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Elliott
2006-01-18 17:43:08 -08:00
committed by Linus Torvalds
parent 7cf3cc3036
commit 2179d372d9
8 changed files with 90 additions and 23 deletions
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13
fs/hfsplus/wrapper.c
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@@ -28,8 +28,11 @@ static int hfsplus_read_mdb(void *bufptr, struct hfsplus_wd *wd)
{
u32 extent;
u16 attrib;
__be16 sig;
if (be16_to_cpu(*(__be16 *)(bufptr + HFSP_WRAPOFF_EMBEDSIG)) != HFSPLUS_VOLHEAD_SIG)
sig = *(__be16 *)(bufptr + HFSP_WRAPOFF_EMBEDSIG);
if (sig != cpu_to_be16(HFSPLUS_VOLHEAD_SIG) &&
sig != cpu_to_be16(HFSPLUS_VOLHEAD_SIGX))
return 0;
attrib = be16_to_cpu(*(__be16 *)(bufptr + HFSP_WRAPOFF_ATTRIB));
@@ -114,6 +117,10 @@ int hfsplus_read_wrapper(struct super_block *sb)
}
if (vhdr->signature == cpu_to_be16(HFSPLUS_VOLHEAD_SIG))
break;
if (vhdr->signature == cpu_to_be16(HFSPLUS_VOLHEAD_SIGX)) {
HFSPLUS_SB(sb).flags |= HFSPLUS_SB_HFSX;
break;
}
brelse(bh);
/* check for a partition block
@@ -158,7 +165,9 @@ int hfsplus_read_wrapper(struct super_block *sb)
return -EIO;
/* should still be the same... */
if (be16_to_cpu(vhdr->signature) != HFSPLUS_VOLHEAD_SIG)
if (vhdr->signature != (HFSPLUS_SB(sb).flags & HFSPLUS_SB_HFSX ?
cpu_to_be16(HFSPLUS_VOLHEAD_SIGX) :
cpu_to_be16(HFSPLUS_VOLHEAD_SIG)))
goto error;
HFSPLUS_SB(sb).s_vhbh = bh;
HFSPLUS_SB(sb).s_vhdr = vhdr;