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94 lines
3.0 KiB
94 lines
3.0 KiB
7 years ago
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Disable finobt by default for compatibility w/ old RHEL7 kernels.
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Disable experimental sparse inode support entirely.
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Index: xfsprogs-4.5.0/man/man8/mkfs.xfs.8
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===================================================================
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--- xfsprogs-4.5.0.orig/man/man8/mkfs.xfs.8
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+++ xfsprogs-4.5.0/man/man8/mkfs.xfs.8
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@@ -167,9 +167,10 @@ filesystems age.
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.IP
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By default,
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.B mkfs.xfs
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-will create free inode btrees for filesystems created with the (default)
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-.B \-m crc=1
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-option set. When the option
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+will not create free inode btrees for filesystems. This is for backwards
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+compatibility with older RHEL7 kernels. If the free inode btree is enabled,
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+older RHEL7 kernels will not be able to mount the created filesystem.
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+When the option
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.B \-m crc=0
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is used, the free inode btree feature is not supported and is disabled.
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.TP
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@@ -419,21 +420,8 @@ If the value is omitted, 1 is assumed.
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in release version 3.2.0.)
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.TP
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.BI sparse[= value ]
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-Enable sparse inode chunk allocation. The
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-.I value
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-is either 0 or 1, with 1 signifying that sparse allocation is enabled.
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-If the value is omitted, 1 is assumed. Sparse inode allocation is
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-disabled by default. This feature is only available for filesystems
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-formatted with
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-.B \-m crc=1.
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-.IP
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-When enabled, sparse inode allocation allows the filesystem to allocate
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-smaller than the standard 64-inode chunk when free space is severely
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-limited. This feature is useful for filesystems that might fragment free
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-space over time such that no free extents are large enough to
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-accommodate a chunk of 64 inodes. Without this feature enabled, inode
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-allocations can fail with out of space errors under severe fragmented
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-free space conditions.
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+Enable sparse inode chunk allocation. This experimental option is not
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+available in RHEL7.
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.RE
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.TP
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.BI \-l " log_section_options"
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Index: xfsprogs-4.5.0/mkfs/xfs_mkfs.c
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===================================================================
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--- xfsprogs-4.5.0.orig/mkfs/xfs_mkfs.c
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+++ xfsprogs-4.5.0/mkfs/xfs_mkfs.c
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@@ -105,8 +105,6 @@ char *iopts[] = {
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"attr",
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#define I_PROJID32BIT 6
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"projid32bit",
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-#define I_SPINODES 7
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- "sparse",
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NULL
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};
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@@ -1019,7 +1017,7 @@ main(
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worst_freelist = 0;
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lazy_sb_counters = 1;
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crcs_enabled = 1;
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- finobt = 1;
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+ finobt = 0;
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finobtflag = false;
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spinodes = 0;
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memset(&fsx, 0, sizeof(fsx));
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@@ -1343,6 +1341,7 @@ main(
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illegal(value, "i projid32bit");
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projid16bit = c ? 0 : 1;
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break;
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+#if 0
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case I_SPINODES:
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if (!value || *value == '\0')
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value = "1";
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@@ -1350,6 +1349,7 @@ main(
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if (spinodes < 0 || spinodes > 1)
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illegal(value, "i spinodes");
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break;
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+#endif
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default:
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unknown('i', value);
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}
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@@ -3213,7 +3213,7 @@ usage( void )
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sectlog=n|sectsize=num\n\
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/* force overwrite */ [-f]\n\
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/* inode size */ [-i log=n|perblock=n|size=num,maxpct=n,attr=0|1|2,\n\
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- projid32bit=0|1,sparse=0|1]\n\
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+ projid32bit=0|1]\n\
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/* no discard */ [-K]\n\
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/* log subvol */ [-l agnum=n,internal,size=num,logdev=xxx,version=n\n\
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sunit=value|su=num,sectlog=n|sectsize=num,\n\
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