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zisofs: Implement reading of compressed files when PAGE_CACHE_SIZE > compress block size

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Also split and cleanup zisofs_readpage() when we are changing it anyway.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara
2009-09-23 14:44:56 +02:00
parent 3067e02f8f
commit 59bc055211
2 changed files with 291 additions and 255 deletions
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fs/isofs/compress.c
+290 -253
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File diff suppressed because it is too large Load Diff
fs/isofs/rock.c
+1 -2
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@@ -518,8 +518,7 @@ repeat:
if (algo == SIG('p', 'z')) {
int block_shift =
isonum_711(&rr->u.ZF.parms[1]);
if (block_shift < PAGE_CACHE_SHIFT
|| block_shift > 17) {
if (block_shift > 17) {
printk(KERN_WARNING "isofs: "
"Can't handle ZF block "
"size of 2^%d\n",